/src/libvmdk/libvmdk/libvmdk_handle.c
Line | Count | Source |
1 | | /* |
2 | | * Handle functions |
3 | | * |
4 | | * Copyright (C) 2009-2025, 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 <system_string.h> |
26 | | #include <types.h> |
27 | | #include <wide_string.h> |
28 | | |
29 | | #include "libvmdk_debug.h" |
30 | | #include "libvmdk_definitions.h" |
31 | | #include "libvmdk_descriptor_file.h" |
32 | | #include "libvmdk_extent_descriptor.h" |
33 | | #include "libvmdk_extent_file.h" |
34 | | #include "libvmdk_extent_table.h" |
35 | | #include "libvmdk_extent_values.h" |
36 | | #include "libvmdk_handle.h" |
37 | | #include "libvmdk_grain_data.h" |
38 | | #include "libvmdk_grain_table.h" |
39 | | #include "libvmdk_io_handle.h" |
40 | | #include "libvmdk_libbfio.h" |
41 | | #include "libvmdk_libcdata.h" |
42 | | #include "libvmdk_libcerror.h" |
43 | | #include "libvmdk_libcfile.h" |
44 | | #include "libvmdk_libcnotify.h" |
45 | | #include "libvmdk_libcpath.h" |
46 | | #include "libvmdk_libcthreads.h" |
47 | | #include "libvmdk_libfcache.h" |
48 | | #include "libvmdk_libfdata.h" |
49 | | |
50 | | /* Creates a handle |
51 | | * Make sure the value handle is referencing, is set to NULL |
52 | | * Returns 1 if successful or -1 on error |
53 | | */ |
54 | | int libvmdk_handle_initialize( |
55 | | libvmdk_handle_t **handle, |
56 | | libcerror_error_t **error ) |
57 | 7.28k | { |
58 | 7.28k | libvmdk_internal_handle_t *internal_handle = NULL; |
59 | 7.28k | static char *function = "libvmdk_handle_initialize"; |
60 | | |
61 | 7.28k | if( handle == NULL ) |
62 | 0 | { |
63 | 0 | libcerror_error_set( |
64 | 0 | error, |
65 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
66 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
67 | 0 | "%s: invalid handle.", |
68 | 0 | function ); |
69 | |
|
70 | 0 | return( -1 ); |
71 | 0 | } |
72 | 7.28k | if( *handle != NULL ) |
73 | 0 | { |
74 | 0 | libcerror_error_set( |
75 | 0 | error, |
76 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
77 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
78 | 0 | "%s: invalid handle value already set.", |
79 | 0 | function ); |
80 | |
|
81 | 0 | return( -1 ); |
82 | 0 | } |
83 | 7.28k | internal_handle = memory_allocate_structure( |
84 | 7.28k | libvmdk_internal_handle_t ); |
85 | | |
86 | 7.28k | if( internal_handle == NULL ) |
87 | 0 | { |
88 | 0 | libcerror_error_set( |
89 | 0 | error, |
90 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
91 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
92 | 0 | "%s: unable to create handle.", |
93 | 0 | function ); |
94 | |
|
95 | 0 | goto on_error; |
96 | 0 | } |
97 | 7.28k | if( memory_set( |
98 | 7.28k | internal_handle, |
99 | 7.28k | 0, |
100 | 7.28k | sizeof( libvmdk_internal_handle_t ) ) == NULL ) |
101 | 0 | { |
102 | 0 | libcerror_error_set( |
103 | 0 | error, |
104 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
105 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
106 | 0 | "%s: unable to clear handle.", |
107 | 0 | function ); |
108 | |
|
109 | 0 | memory_free( |
110 | 0 | internal_handle ); |
111 | |
|
112 | 0 | return( -1 ); |
113 | 0 | } |
114 | 7.28k | if( libvmdk_io_handle_initialize( |
115 | 7.28k | &( internal_handle->io_handle ), |
116 | 7.28k | error ) != 1 ) |
117 | 0 | { |
118 | 0 | libcerror_error_set( |
119 | 0 | error, |
120 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
121 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
122 | 0 | "%s: unable to create IO handle.", |
123 | 0 | function ); |
124 | |
|
125 | 0 | goto on_error; |
126 | 0 | } |
127 | 7.28k | if( libcdata_array_initialize( |
128 | 7.28k | &( internal_handle->extent_values_array ), |
129 | 7.28k | 0, |
130 | 7.28k | error ) != 1 ) |
131 | 0 | { |
132 | 0 | libcerror_error_set( |
133 | 0 | error, |
134 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
135 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
136 | 0 | "%s: unable to create extent values array.", |
137 | 0 | function ); |
138 | |
|
139 | 0 | goto on_error; |
140 | 0 | } |
141 | 7.28k | if( libvmdk_extent_table_initialize( |
142 | 7.28k | &( internal_handle->extent_table ), |
143 | 7.28k | internal_handle->io_handle, |
144 | 7.28k | error ) != 1 ) |
145 | 0 | { |
146 | 0 | libcerror_error_set( |
147 | 0 | error, |
148 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
149 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
150 | 0 | "%s: unable to create extent table.", |
151 | 0 | function ); |
152 | |
|
153 | 0 | goto on_error; |
154 | 0 | } |
155 | 7.28k | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
156 | 7.28k | if( libcthreads_read_write_lock_initialize( |
157 | 7.28k | &( internal_handle->read_write_lock ), |
158 | 7.28k | error ) != 1 ) |
159 | 0 | { |
160 | 0 | libcerror_error_set( |
161 | 0 | error, |
162 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
163 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
164 | 0 | "%s: unable to initialize read/write lock.", |
165 | 0 | function ); |
166 | |
|
167 | 0 | goto on_error; |
168 | 0 | } |
169 | 7.28k | #endif |
170 | 7.28k | internal_handle->maximum_number_of_open_handles = LIBBFIO_POOL_UNLIMITED_NUMBER_OF_OPEN_HANDLES; |
171 | | |
172 | 7.28k | *handle = (libvmdk_handle_t *) internal_handle; |
173 | | |
174 | 7.28k | return( 1 ); |
175 | | |
176 | 0 | on_error: |
177 | 0 | if( internal_handle != NULL ) |
178 | 0 | { |
179 | 0 | if( internal_handle->extent_table != NULL ) |
180 | 0 | { |
181 | 0 | libvmdk_extent_table_free( |
182 | 0 | &( internal_handle->extent_table ), |
183 | 0 | NULL ); |
184 | 0 | } |
185 | 0 | if( internal_handle->extent_values_array != NULL ) |
186 | 0 | { |
187 | 0 | libcdata_array_free( |
188 | 0 | &( internal_handle->extent_values_array ), |
189 | 0 | NULL, |
190 | 0 | NULL ); |
191 | 0 | } |
192 | 0 | if( internal_handle->io_handle != NULL ) |
193 | 0 | { |
194 | 0 | libvmdk_io_handle_free( |
195 | 0 | &( internal_handle->io_handle ), |
196 | 0 | NULL ); |
197 | 0 | } |
198 | 0 | memory_free( |
199 | 0 | internal_handle ); |
200 | 0 | } |
201 | 0 | return( -1 ); |
202 | 7.28k | } |
203 | | |
204 | | /* Frees a handle |
205 | | * Returns 1 if successful or -1 on error |
206 | | */ |
207 | | int libvmdk_handle_free( |
208 | | libvmdk_handle_t **handle, |
209 | | libcerror_error_t **error ) |
210 | 7.28k | { |
211 | 7.28k | libvmdk_internal_handle_t *internal_handle = NULL; |
212 | 7.28k | static char *function = "libvmdk_handle_free"; |
213 | 7.28k | int result = 1; |
214 | | |
215 | 7.28k | if( handle == NULL ) |
216 | 0 | { |
217 | 0 | libcerror_error_set( |
218 | 0 | error, |
219 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
220 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
221 | 0 | "%s: invalid handle.", |
222 | 0 | function ); |
223 | |
|
224 | 0 | return( -1 ); |
225 | 0 | } |
226 | 7.28k | if( *handle != NULL ) |
227 | 7.28k | { |
228 | 7.28k | internal_handle = (libvmdk_internal_handle_t *) *handle; |
229 | | |
230 | 7.28k | if( ( internal_handle->extent_data_file_io_pool != NULL ) |
231 | 7.28k | || ( internal_handle->descriptor_file != NULL ) ) |
232 | 0 | { |
233 | 0 | if( libvmdk_handle_close( |
234 | 0 | *handle, |
235 | 0 | error ) != 0 ) |
236 | 0 | { |
237 | 0 | libcerror_error_set( |
238 | 0 | error, |
239 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
240 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
241 | 0 | "%s: unable to close handle.", |
242 | 0 | function ); |
243 | |
|
244 | 0 | result = -1; |
245 | 0 | } |
246 | 0 | } |
247 | 7.28k | *handle = NULL; |
248 | | |
249 | 7.28k | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
250 | 7.28k | if( libcthreads_read_write_lock_free( |
251 | 7.28k | &( internal_handle->read_write_lock ), |
252 | 7.28k | error ) != 1 ) |
253 | 0 | { |
254 | 0 | libcerror_error_set( |
255 | 0 | error, |
256 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
257 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
258 | 0 | "%s: unable to free read/write lock.", |
259 | 0 | function ); |
260 | |
|
261 | 0 | result = -1; |
262 | 0 | } |
263 | 7.28k | #endif |
264 | 7.28k | if( libvmdk_extent_table_free( |
265 | 7.28k | &( internal_handle->extent_table ), |
266 | 7.28k | error ) != 1 ) |
267 | 0 | { |
268 | 0 | libcerror_error_set( |
269 | 0 | error, |
270 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
271 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
272 | 0 | "%s: unable to free extent table.", |
273 | 0 | function ); |
274 | |
|
275 | 0 | result = -1; |
276 | 0 | } |
277 | 7.28k | if( libcdata_array_free( |
278 | 7.28k | &( internal_handle->extent_values_array ), |
279 | 7.28k | (int (*)(intptr_t **, libcerror_error_t **)) &libvmdk_extent_values_free, |
280 | 7.28k | error ) != 1 ) |
281 | 0 | { |
282 | 0 | libcerror_error_set( |
283 | 0 | error, |
284 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
285 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
286 | 0 | "%s: unable to free extent values array.", |
287 | 0 | function ); |
288 | |
|
289 | 0 | result = -1; |
290 | 0 | } |
291 | 7.28k | if( libvmdk_io_handle_free( |
292 | 7.28k | &( internal_handle->io_handle ), |
293 | 7.28k | error ) != 1 ) |
294 | 0 | { |
295 | 0 | libcerror_error_set( |
296 | 0 | error, |
297 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
298 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
299 | 0 | "%s: unable to free IO handle.", |
300 | 0 | function ); |
301 | |
|
302 | 0 | result = -1; |
303 | 0 | } |
304 | 7.28k | memory_free( |
305 | 7.28k | internal_handle ); |
306 | 7.28k | } |
307 | 7.28k | return( result ); |
308 | 7.28k | } |
309 | | |
310 | | /* Signals the handle to abort its current activity |
311 | | * Returns 1 if successful or -1 on error |
312 | | */ |
313 | | int libvmdk_handle_signal_abort( |
314 | | libvmdk_handle_t *handle, |
315 | | libcerror_error_t **error ) |
316 | 0 | { |
317 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
318 | 0 | static char *function = "libvmdk_handle_signal_abort"; |
319 | |
|
320 | 0 | if( handle == NULL ) |
321 | 0 | { |
322 | 0 | libcerror_error_set( |
323 | 0 | error, |
324 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
325 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
326 | 0 | "%s: invalid handle.", |
327 | 0 | function ); |
328 | |
|
329 | 0 | return( -1 ); |
330 | 0 | } |
331 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
332 | |
|
333 | 0 | if( internal_handle->io_handle == NULL ) |
334 | 0 | { |
335 | 0 | libcerror_error_set( |
336 | 0 | error, |
337 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
338 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
339 | 0 | "%s: invalid handle - missing IO handle.", |
340 | 0 | function ); |
341 | |
|
342 | 0 | return( -1 ); |
343 | 0 | } |
344 | 0 | internal_handle->io_handle->abort = 1; |
345 | |
|
346 | 0 | return( 1 ); |
347 | 0 | } |
348 | | |
349 | | /* Opens a set of VMDK file(s) |
350 | | * Returns 1 if successful or -1 on error |
351 | | */ |
352 | | int libvmdk_handle_open( |
353 | | libvmdk_handle_t *handle, |
354 | | const char *filename, |
355 | | int access_flags, |
356 | | libcerror_error_t **error ) |
357 | 0 | { |
358 | 0 | libbfio_handle_t *file_io_handle = NULL; |
359 | 0 | libvmdk_extent_values_t *extent_values = NULL; |
360 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
361 | 0 | char *data_files_path_end = NULL; |
362 | 0 | static char *function = "libvmdk_handle_open"; |
363 | 0 | size_t data_files_path_length = 0; |
364 | 0 | size_t filename_length = 0; |
365 | 0 | int number_of_extents = 0; |
366 | 0 | int result = 1; |
367 | |
|
368 | 0 | if( handle == NULL ) |
369 | 0 | { |
370 | 0 | libcerror_error_set( |
371 | 0 | error, |
372 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
373 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
374 | 0 | "%s: invalid handle.", |
375 | 0 | function ); |
376 | |
|
377 | 0 | return( -1 ); |
378 | 0 | } |
379 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
380 | |
|
381 | 0 | if( filename == NULL ) |
382 | 0 | { |
383 | 0 | libcerror_error_set( |
384 | 0 | error, |
385 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
386 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
387 | 0 | "%s: invalid filename.", |
388 | 0 | function ); |
389 | |
|
390 | 0 | return( -1 ); |
391 | 0 | } |
392 | 0 | if( ( ( access_flags & LIBVMDK_ACCESS_FLAG_READ ) == 0 ) |
393 | 0 | && ( ( access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) == 0 ) ) |
394 | 0 | { |
395 | 0 | libcerror_error_set( |
396 | 0 | error, |
397 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
398 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
399 | 0 | "%s: unsupported access flags.", |
400 | 0 | function ); |
401 | |
|
402 | 0 | return( -1 ); |
403 | 0 | } |
404 | 0 | if( ( access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) != 0 ) |
405 | 0 | { |
406 | 0 | libcerror_error_set( |
407 | 0 | error, |
408 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
409 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
410 | 0 | "%s: write access currently not supported.", |
411 | 0 | function ); |
412 | |
|
413 | 0 | return( -1 ); |
414 | 0 | } |
415 | 0 | filename_length = narrow_string_length( |
416 | 0 | filename ); |
417 | |
|
418 | 0 | if( libbfio_file_initialize( |
419 | 0 | &file_io_handle, |
420 | 0 | error ) != 1 ) |
421 | 0 | { |
422 | 0 | libcerror_error_set( |
423 | 0 | error, |
424 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
425 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
426 | 0 | "%s: unable to create file IO handle.", |
427 | 0 | function ); |
428 | |
|
429 | 0 | goto on_error; |
430 | 0 | } |
431 | | #if defined( HAVE_DEBUG_OUTPUT ) |
432 | | if( libbfio_handle_set_track_offsets_read( |
433 | | file_io_handle, |
434 | | 1, |
435 | | error ) != 1 ) |
436 | | { |
437 | | libcerror_error_set( |
438 | | error, |
439 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
440 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
441 | | "%s: unable to set track offsets read in file IO handle.", |
442 | | function ); |
443 | | |
444 | | goto on_error; |
445 | | } |
446 | | #endif |
447 | 0 | if( libbfio_file_set_name( |
448 | 0 | file_io_handle, |
449 | 0 | filename, |
450 | 0 | filename_length + 1, |
451 | 0 | error ) != 1 ) |
452 | 0 | { |
453 | 0 | libcerror_error_set( |
454 | 0 | error, |
455 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
456 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
457 | 0 | "%s: unable to set name in file IO handle.", |
458 | 0 | function ); |
459 | |
|
460 | 0 | goto on_error; |
461 | 0 | } |
462 | 0 | if( libvmdk_handle_open_file_io_handle( |
463 | 0 | handle, |
464 | 0 | file_io_handle, |
465 | 0 | access_flags, |
466 | 0 | error ) != 1 ) |
467 | 0 | { |
468 | 0 | libcerror_error_set( |
469 | 0 | error, |
470 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
471 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
472 | 0 | "%s: unable to open handle using a file IO handle.", |
473 | 0 | function ); |
474 | |
|
475 | 0 | goto on_error; |
476 | 0 | } |
477 | 0 | if( libbfio_handle_free( |
478 | 0 | &file_io_handle, |
479 | 0 | error ) != 1 ) |
480 | 0 | { |
481 | 0 | libcerror_error_set( |
482 | 0 | error, |
483 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
484 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
485 | 0 | "%s: unable to free file IO handle.", |
486 | 0 | function ); |
487 | |
|
488 | 0 | goto on_error; |
489 | 0 | } |
490 | | /* Note that extent file names can be renamed hence for a single monolithic sparse |
491 | | * or stream optimized image the filename instead of the extent data filename in |
492 | | * the descriptor file is used. |
493 | | */ |
494 | | /* TODO thread lock */ |
495 | 0 | if( ( internal_handle->disk_type == LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE ) |
496 | 0 | || ( internal_handle->disk_type == LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED ) ) |
497 | 0 | { |
498 | 0 | if( libcdata_array_get_number_of_entries( |
499 | 0 | internal_handle->extent_values_array, |
500 | 0 | &number_of_extents, |
501 | 0 | error ) != 1 ) |
502 | 0 | { |
503 | 0 | libcerror_error_set( |
504 | 0 | error, |
505 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
506 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
507 | 0 | "%s: unable to retrieve number of extents.", |
508 | 0 | function ); |
509 | |
|
510 | 0 | goto on_error; |
511 | 0 | } |
512 | 0 | if( number_of_extents == 1 ) |
513 | 0 | { |
514 | 0 | if( libcdata_array_get_entry_by_index( |
515 | 0 | internal_handle->extent_values_array, |
516 | 0 | 0, |
517 | 0 | (intptr_t **) &extent_values, |
518 | 0 | error ) != 1 ) |
519 | 0 | { |
520 | 0 | libcerror_error_set( |
521 | 0 | error, |
522 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
523 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
524 | 0 | "%s: unable to retrieve extent values: 0 from array.", |
525 | 0 | function ); |
526 | |
|
527 | 0 | goto on_error; |
528 | 0 | } |
529 | 0 | if( extent_values == NULL ) |
530 | 0 | { |
531 | 0 | libcerror_error_set( |
532 | 0 | error, |
533 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
534 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
535 | 0 | "%s: missing extent values: 0.", |
536 | 0 | function ); |
537 | |
|
538 | 0 | goto on_error; |
539 | 0 | } |
540 | 0 | if( extent_values->type == LIBVMDK_EXTENT_TYPE_SPARSE ) |
541 | 0 | { |
542 | 0 | if( libvmdk_extent_values_set_alternate_filename( |
543 | 0 | extent_values, |
544 | 0 | filename, |
545 | 0 | filename_length, |
546 | 0 | error ) != 1 ) |
547 | 0 | { |
548 | 0 | libcerror_error_set( |
549 | 0 | error, |
550 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
551 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
552 | 0 | "%s: unable to set alternate filename in extent values.", |
553 | 0 | function ); |
554 | |
|
555 | 0 | goto on_error; |
556 | 0 | } |
557 | | #if defined( HAVE_DEBUG_OUTPUT ) |
558 | | if( libcnotify_verbose != 0 ) |
559 | | { |
560 | | libcnotify_printf( |
561 | | "%s: alternate filename\t\t\t\t\t: %" PRIs_SYSTEM "\n", |
562 | | function, |
563 | | extent_values->alternate_filename ); |
564 | | } |
565 | | #endif |
566 | 0 | } |
567 | 0 | } |
568 | 0 | } |
569 | 0 | data_files_path_end = narrow_string_search_character_reverse( |
570 | 0 | filename, |
571 | 0 | (int) LIBCPATH_SEPARATOR, |
572 | 0 | filename_length + 1 ); |
573 | |
|
574 | 0 | if( data_files_path_end != NULL ) |
575 | 0 | { |
576 | 0 | data_files_path_length = (size_t) ( data_files_path_end - filename ) + 1; |
577 | 0 | } |
578 | 0 | if( data_files_path_length > 0 ) |
579 | 0 | { |
580 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
581 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
582 | 0 | internal_handle->read_write_lock, |
583 | 0 | error ) != 1 ) |
584 | 0 | { |
585 | 0 | libcerror_error_set( |
586 | 0 | error, |
587 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
588 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
589 | 0 | "%s: unable to grab read/write lock for writing.", |
590 | 0 | function ); |
591 | |
|
592 | 0 | return( -1 ); |
593 | 0 | } |
594 | 0 | #endif |
595 | 0 | if( libvmdk_extent_table_set_data_files_path( |
596 | 0 | internal_handle->extent_table, |
597 | 0 | filename, |
598 | 0 | data_files_path_length, |
599 | 0 | error ) != 1 ) |
600 | 0 | { |
601 | 0 | libcerror_error_set( |
602 | 0 | error, |
603 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
604 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
605 | 0 | "%s: unable to set data files path in extent table.", |
606 | 0 | function ); |
607 | |
|
608 | 0 | result = -1; |
609 | 0 | } |
610 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
611 | 0 | if( libcthreads_read_write_lock_release_for_write( |
612 | 0 | internal_handle->read_write_lock, |
613 | 0 | error ) != 1 ) |
614 | 0 | { |
615 | 0 | libcerror_error_set( |
616 | 0 | error, |
617 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
618 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
619 | 0 | "%s: unable to release read/write lock for writing.", |
620 | 0 | function ); |
621 | |
|
622 | 0 | return( -1 ); |
623 | 0 | } |
624 | 0 | #endif |
625 | 0 | } |
626 | 0 | return( result ); |
627 | | |
628 | 0 | on_error: |
629 | 0 | if( file_io_handle != NULL ) |
630 | 0 | { |
631 | 0 | libbfio_handle_free( |
632 | 0 | &file_io_handle, |
633 | 0 | NULL ); |
634 | 0 | } |
635 | 0 | return( -1 ); |
636 | 0 | } |
637 | | |
638 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
639 | | |
640 | | /* Opens a set of VMDK file(s) |
641 | | * Returns 1 if successful or -1 on error |
642 | | */ |
643 | | int libvmdk_handle_open_wide( |
644 | | libvmdk_handle_t *handle, |
645 | | const wchar_t *filename, |
646 | | int access_flags, |
647 | | libcerror_error_t **error ) |
648 | | { |
649 | | libbfio_handle_t *file_io_handle = NULL; |
650 | | libvmdk_extent_values_t *extent_values = NULL; |
651 | | libvmdk_internal_handle_t *internal_handle = NULL; |
652 | | wchar_t *data_files_path_end = NULL; |
653 | | static char *function = "libvmdk_handle_open_wide"; |
654 | | size_t data_files_path_length = 0; |
655 | | size_t filename_length = 0; |
656 | | int number_of_extents = 0; |
657 | | int result = 1; |
658 | | |
659 | | if( handle == NULL ) |
660 | | { |
661 | | libcerror_error_set( |
662 | | error, |
663 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
664 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
665 | | "%s: invalid handle.", |
666 | | function ); |
667 | | |
668 | | return( -1 ); |
669 | | } |
670 | | internal_handle = (libvmdk_internal_handle_t *) handle; |
671 | | |
672 | | if( filename == NULL ) |
673 | | { |
674 | | libcerror_error_set( |
675 | | error, |
676 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
677 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
678 | | "%s: invalid filename.", |
679 | | function ); |
680 | | |
681 | | return( -1 ); |
682 | | } |
683 | | if( ( ( access_flags & LIBVMDK_ACCESS_FLAG_READ ) == 0 ) |
684 | | && ( ( access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) == 0 ) ) |
685 | | { |
686 | | libcerror_error_set( |
687 | | error, |
688 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
689 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
690 | | "%s: unsupported access flags.", |
691 | | function ); |
692 | | |
693 | | return( -1 ); |
694 | | } |
695 | | if( ( access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) != 0 ) |
696 | | { |
697 | | libcerror_error_set( |
698 | | error, |
699 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
700 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
701 | | "%s: write access currently not supported.", |
702 | | function ); |
703 | | |
704 | | return( -1 ); |
705 | | } |
706 | | filename_length = wide_string_length( |
707 | | filename ); |
708 | | |
709 | | if( libbfio_file_initialize( |
710 | | &file_io_handle, |
711 | | error ) != 1 ) |
712 | | { |
713 | | libcerror_error_set( |
714 | | error, |
715 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
716 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
717 | | "%s: unable to create file IO handle.", |
718 | | function ); |
719 | | |
720 | | goto on_error; |
721 | | } |
722 | | #if defined( HAVE_DEBUG_OUTPUT ) |
723 | | if( libbfio_handle_set_track_offsets_read( |
724 | | file_io_handle, |
725 | | 1, |
726 | | error ) != 1 ) |
727 | | { |
728 | | libcerror_error_set( |
729 | | error, |
730 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
731 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
732 | | "%s: unable to set track offsets read in file IO handle.", |
733 | | function ); |
734 | | |
735 | | goto on_error; |
736 | | } |
737 | | #endif |
738 | | if( libbfio_file_set_name_wide( |
739 | | file_io_handle, |
740 | | filename, |
741 | | filename_length + 1, |
742 | | error ) != 1 ) |
743 | | { |
744 | | libcerror_error_set( |
745 | | error, |
746 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
747 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
748 | | "%s: unable to set name in file IO handle.", |
749 | | function ); |
750 | | |
751 | | goto on_error; |
752 | | } |
753 | | if( libvmdk_handle_open_file_io_handle( |
754 | | handle, |
755 | | file_io_handle, |
756 | | access_flags, |
757 | | error ) != 1 ) |
758 | | { |
759 | | libcerror_error_set( |
760 | | error, |
761 | | LIBCERROR_ERROR_DOMAIN_IO, |
762 | | LIBCERROR_IO_ERROR_OPEN_FAILED, |
763 | | "%s: unable to open handle using a file IO handle.", |
764 | | function ); |
765 | | |
766 | | goto on_error; |
767 | | } |
768 | | if( libbfio_handle_free( |
769 | | &file_io_handle, |
770 | | error ) != 1 ) |
771 | | { |
772 | | libcerror_error_set( |
773 | | error, |
774 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
775 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
776 | | "%s: unable to free file IO handle.", |
777 | | function ); |
778 | | |
779 | | goto on_error; |
780 | | } |
781 | | /* Note that extent file names can be renamed hence for a single monolithic sparse |
782 | | * or stream optimized image the filename instead of the extent data filename in |
783 | | * the descriptor file is used. |
784 | | */ |
785 | | /* TODO thread lock */ |
786 | | if( ( internal_handle->disk_type == LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE ) |
787 | | || ( internal_handle->disk_type == LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED ) ) |
788 | | { |
789 | | if( libcdata_array_get_number_of_entries( |
790 | | internal_handle->extent_values_array, |
791 | | &number_of_extents, |
792 | | error ) != 1 ) |
793 | | { |
794 | | libcerror_error_set( |
795 | | error, |
796 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
797 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
798 | | "%s: unable to retrieve number of extents.", |
799 | | function ); |
800 | | |
801 | | goto on_error; |
802 | | } |
803 | | if( number_of_extents == 1 ) |
804 | | { |
805 | | if( libcdata_array_get_entry_by_index( |
806 | | internal_handle->extent_values_array, |
807 | | 0, |
808 | | (intptr_t **) &extent_values, |
809 | | error ) != 1 ) |
810 | | { |
811 | | libcerror_error_set( |
812 | | error, |
813 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
814 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
815 | | "%s: unable to retrieve extent values: 0 from array.", |
816 | | function ); |
817 | | |
818 | | goto on_error; |
819 | | } |
820 | | if( extent_values == NULL ) |
821 | | { |
822 | | libcerror_error_set( |
823 | | error, |
824 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
825 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
826 | | "%s: missing extent values: 0.", |
827 | | function ); |
828 | | |
829 | | goto on_error; |
830 | | } |
831 | | if( extent_values->type == LIBVMDK_EXTENT_TYPE_SPARSE ) |
832 | | { |
833 | | if( libvmdk_extent_values_set_alternate_filename_wide( |
834 | | extent_values, |
835 | | filename, |
836 | | filename_length, |
837 | | error ) != 1 ) |
838 | | { |
839 | | libcerror_error_set( |
840 | | error, |
841 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
842 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
843 | | "%s: unable to set alternate filename in extent values.", |
844 | | function ); |
845 | | |
846 | | goto on_error; |
847 | | } |
848 | | #if defined( HAVE_DEBUG_OUTPUT ) |
849 | | if( libcnotify_verbose != 0 ) |
850 | | { |
851 | | libcnotify_printf( |
852 | | "%s: alternate filename\t\t\t\t\t: %" PRIs_SYSTEM "\n", |
853 | | function, |
854 | | extent_values->alternate_filename ); |
855 | | } |
856 | | #endif |
857 | | } |
858 | | } |
859 | | } |
860 | | data_files_path_end = wide_string_search_character_reverse( |
861 | | filename, |
862 | | (wint_t) LIBCPATH_SEPARATOR, |
863 | | filename_length + 1 ); |
864 | | |
865 | | if( data_files_path_end != NULL ) |
866 | | { |
867 | | data_files_path_length = (size_t) ( data_files_path_end - filename ) + 1; |
868 | | } |
869 | | if( data_files_path_length > 0 ) |
870 | | { |
871 | | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
872 | | if( libcthreads_read_write_lock_grab_for_write( |
873 | | internal_handle->read_write_lock, |
874 | | error ) != 1 ) |
875 | | { |
876 | | libcerror_error_set( |
877 | | error, |
878 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
879 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
880 | | "%s: unable to grab read/write lock for writing.", |
881 | | function ); |
882 | | |
883 | | return( -1 ); |
884 | | } |
885 | | #endif |
886 | | if( libvmdk_extent_table_set_data_files_path_wide( |
887 | | internal_handle->extent_table, |
888 | | filename, |
889 | | data_files_path_length, |
890 | | error ) != 1 ) |
891 | | { |
892 | | libcerror_error_set( |
893 | | error, |
894 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
895 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
896 | | "%s: unable to set data files path in extent table.", |
897 | | function ); |
898 | | |
899 | | result = -1; |
900 | | } |
901 | | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
902 | | if( libcthreads_read_write_lock_release_for_write( |
903 | | internal_handle->read_write_lock, |
904 | | error ) != 1 ) |
905 | | { |
906 | | libcerror_error_set( |
907 | | error, |
908 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
909 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
910 | | "%s: unable to release read/write lock for writing.", |
911 | | function ); |
912 | | |
913 | | return( -1 ); |
914 | | } |
915 | | #endif |
916 | | } |
917 | | return( result ); |
918 | | |
919 | | on_error: |
920 | | if( file_io_handle != NULL ) |
921 | | { |
922 | | libbfio_handle_free( |
923 | | &file_io_handle, |
924 | | NULL ); |
925 | | } |
926 | | return( -1 ); |
927 | | } |
928 | | |
929 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
930 | | |
931 | | /* Opens a set of VMDK file(s) using a Basic File IO (bfio) handle |
932 | | * Returns 1 if successful or -1 on error |
933 | | */ |
934 | | int libvmdk_handle_open_file_io_handle( |
935 | | libvmdk_handle_t *handle, |
936 | | libbfio_handle_t *file_io_handle, |
937 | | int access_flags, |
938 | | libcerror_error_t **error ) |
939 | 7.28k | { |
940 | 7.28k | libvmdk_internal_handle_t *internal_handle = NULL; |
941 | 7.28k | static char *function = "libvmdk_handle_open_file_io_handle"; |
942 | 7.28k | uint8_t file_io_handle_opened_in_library = 0; |
943 | 7.28k | int bfio_access_flags = 0; |
944 | 7.28k | int file_io_handle_is_open = 0; |
945 | 7.28k | int result = 1; |
946 | | |
947 | 7.28k | if( handle == NULL ) |
948 | 0 | { |
949 | 0 | libcerror_error_set( |
950 | 0 | error, |
951 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
952 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
953 | 0 | "%s: invalid handle.", |
954 | 0 | function ); |
955 | |
|
956 | 0 | return( -1 ); |
957 | 0 | } |
958 | 7.28k | internal_handle = (libvmdk_internal_handle_t *) handle; |
959 | | |
960 | 7.28k | if( internal_handle->descriptor_file != NULL ) |
961 | 0 | { |
962 | 0 | libcerror_error_set( |
963 | 0 | error, |
964 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
965 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
966 | 0 | "%s: invalid handle - descriptor file already set.", |
967 | 0 | function ); |
968 | |
|
969 | 0 | return( -1 ); |
970 | 0 | } |
971 | 7.28k | if( internal_handle->io_handle == NULL ) |
972 | 0 | { |
973 | 0 | libcerror_error_set( |
974 | 0 | error, |
975 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
976 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
977 | 0 | "%s: invalid handle - missing IO handle.", |
978 | 0 | function ); |
979 | |
|
980 | 0 | return( -1 ); |
981 | 0 | } |
982 | 7.28k | if( file_io_handle == NULL ) |
983 | 0 | { |
984 | 0 | libcerror_error_set( |
985 | 0 | error, |
986 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
987 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
988 | 0 | "%s: invalid file IO handle.", |
989 | 0 | function ); |
990 | |
|
991 | 0 | return( -1 ); |
992 | 0 | } |
993 | 7.28k | if( ( ( access_flags & LIBVMDK_ACCESS_FLAG_READ ) == 0 ) |
994 | 0 | && ( ( access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) == 0 ) ) |
995 | 0 | { |
996 | 0 | libcerror_error_set( |
997 | 0 | error, |
998 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
999 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1000 | 0 | "%s: unsupported access flags.", |
1001 | 0 | function ); |
1002 | |
|
1003 | 0 | return( -1 ); |
1004 | 0 | } |
1005 | 7.28k | if( ( access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) != 0 ) |
1006 | 0 | { |
1007 | 0 | libcerror_error_set( |
1008 | 0 | error, |
1009 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1010 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1011 | 0 | "%s: write access currently not supported.", |
1012 | 0 | function ); |
1013 | |
|
1014 | 0 | return( -1 ); |
1015 | 0 | } |
1016 | 7.28k | if( ( access_flags & LIBVMDK_ACCESS_FLAG_READ ) != 0 ) |
1017 | 7.28k | { |
1018 | 7.28k | bfio_access_flags = LIBBFIO_ACCESS_FLAG_READ; |
1019 | 7.28k | } |
1020 | 7.28k | file_io_handle_is_open = libbfio_handle_is_open( |
1021 | 7.28k | file_io_handle, |
1022 | 7.28k | error ); |
1023 | | |
1024 | 7.28k | if( file_io_handle_is_open == -1 ) |
1025 | 0 | { |
1026 | 0 | libcerror_error_set( |
1027 | 0 | error, |
1028 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1029 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1030 | 0 | "%s: unable to open file.", |
1031 | 0 | function ); |
1032 | |
|
1033 | 0 | goto on_error; |
1034 | 0 | } |
1035 | 7.28k | else if( file_io_handle_is_open == 0 ) |
1036 | 7.28k | { |
1037 | 7.28k | if( libbfio_handle_open( |
1038 | 7.28k | file_io_handle, |
1039 | 7.28k | bfio_access_flags, |
1040 | 7.28k | error ) != 1 ) |
1041 | 0 | { |
1042 | 0 | libcerror_error_set( |
1043 | 0 | error, |
1044 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1045 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1046 | 0 | "%s: unable to open file IO handle.", |
1047 | 0 | function ); |
1048 | |
|
1049 | 0 | goto on_error; |
1050 | 0 | } |
1051 | 7.28k | file_io_handle_opened_in_library = 1; |
1052 | 7.28k | } |
1053 | 7.28k | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1054 | 7.28k | if( libcthreads_read_write_lock_grab_for_write( |
1055 | 7.28k | internal_handle->read_write_lock, |
1056 | 7.28k | error ) != 1 ) |
1057 | 0 | { |
1058 | 0 | libcerror_error_set( |
1059 | 0 | error, |
1060 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1061 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1062 | 0 | "%s: unable to grab read/write lock for writing.", |
1063 | 0 | function ); |
1064 | |
|
1065 | 0 | goto on_error; |
1066 | 0 | } |
1067 | 7.28k | #endif |
1068 | 7.28k | if( libvmdk_internal_handle_open_read( |
1069 | 7.28k | internal_handle, |
1070 | 7.28k | file_io_handle, |
1071 | 7.28k | error ) != 1 ) |
1072 | 6.75k | { |
1073 | 6.75k | libcerror_error_set( |
1074 | 6.75k | error, |
1075 | 6.75k | LIBCERROR_ERROR_DOMAIN_IO, |
1076 | 6.75k | LIBCERROR_IO_ERROR_READ_FAILED, |
1077 | 6.75k | "%s: unable to read from file IO handle.", |
1078 | 6.75k | function ); |
1079 | | |
1080 | 6.75k | result = -1; |
1081 | 6.75k | } |
1082 | 531 | else |
1083 | 531 | { |
1084 | 531 | internal_handle->access_flags = access_flags; |
1085 | 531 | } |
1086 | 7.28k | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1087 | 7.28k | if( libcthreads_read_write_lock_release_for_write( |
1088 | 7.28k | internal_handle->read_write_lock, |
1089 | 7.28k | error ) != 1 ) |
1090 | 0 | { |
1091 | 0 | libcerror_error_set( |
1092 | 0 | error, |
1093 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1094 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1095 | 0 | "%s: unable to release read/write lock for writing.", |
1096 | 0 | function ); |
1097 | |
|
1098 | 0 | return( -1 ); |
1099 | 0 | } |
1100 | 7.28k | #endif |
1101 | 7.28k | if( file_io_handle_opened_in_library != 0 ) |
1102 | 7.28k | { |
1103 | 7.28k | if( libbfio_handle_close( |
1104 | 7.28k | file_io_handle, |
1105 | 7.28k | error ) != 0 ) |
1106 | 0 | { |
1107 | 0 | libcerror_error_set( |
1108 | 0 | error, |
1109 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1110 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
1111 | 0 | "%s: unable to close file IO handle.", |
1112 | 0 | function ); |
1113 | |
|
1114 | 0 | goto on_error; |
1115 | 0 | } |
1116 | 7.28k | file_io_handle_opened_in_library = 0; |
1117 | 7.28k | } |
1118 | 7.28k | return( result ); |
1119 | | |
1120 | 0 | on_error: |
1121 | 0 | if( file_io_handle_opened_in_library != 0 ) |
1122 | 0 | { |
1123 | 0 | libbfio_handle_close( |
1124 | 0 | file_io_handle, |
1125 | 0 | error ); |
1126 | 0 | } |
1127 | 0 | return( -1 ); |
1128 | 7.28k | } |
1129 | | |
1130 | | /* Opens the extent data files |
1131 | | * If the extent data filenames were not set explicitly this function assumes the extent data files |
1132 | | * are in the same location as the descriptor file |
1133 | | * Returns 1 if successful or -1 on error |
1134 | | */ |
1135 | | int libvmdk_handle_open_extent_data_files( |
1136 | | libvmdk_handle_t *handle, |
1137 | | libcerror_error_t **error ) |
1138 | 0 | { |
1139 | 0 | libbfio_pool_t *file_io_pool = NULL; |
1140 | 0 | libvmdk_extent_values_t *extent_values = NULL; |
1141 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
1142 | 0 | system_character_t *extent_data_file_location = NULL; |
1143 | 0 | system_character_t *extent_data_file_path = NULL; |
1144 | 0 | static char *function = "libvmdk_handle_open_extent_data_files"; |
1145 | 0 | size_t extent_data_file_location_size = 0; |
1146 | 0 | int extent_index = 0; |
1147 | 0 | int number_of_extents = 0; |
1148 | 0 | int result = 0; |
1149 | |
|
1150 | 0 | if( handle == NULL ) |
1151 | 0 | { |
1152 | 0 | libcerror_error_set( |
1153 | 0 | error, |
1154 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1155 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1156 | 0 | "%s: invalid handle.", |
1157 | 0 | function ); |
1158 | |
|
1159 | 0 | return( -1 ); |
1160 | 0 | } |
1161 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
1162 | |
|
1163 | 0 | if( ( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_READ ) == 0 ) |
1164 | 0 | && ( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) == 0 ) ) |
1165 | 0 | { |
1166 | 0 | libcerror_error_set( |
1167 | 0 | error, |
1168 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1169 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1170 | 0 | "%s: unsupported access flags.", |
1171 | 0 | function ); |
1172 | |
|
1173 | 0 | return( -1 ); |
1174 | 0 | } |
1175 | 0 | if( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) != 0 ) |
1176 | 0 | { |
1177 | 0 | libcerror_error_set( |
1178 | 0 | error, |
1179 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1180 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1181 | 0 | "%s: write access currently not supported.", |
1182 | 0 | function ); |
1183 | |
|
1184 | 0 | return( -1 ); |
1185 | 0 | } |
1186 | 0 | if( internal_handle->descriptor_file == NULL ) |
1187 | 0 | { |
1188 | 0 | libcerror_error_set( |
1189 | 0 | error, |
1190 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1191 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1192 | 0 | "%s: invalid handle - missing descriptor file.", |
1193 | 0 | function ); |
1194 | |
|
1195 | 0 | return( -1 ); |
1196 | 0 | } |
1197 | 0 | if( internal_handle->extent_data_file_io_pool != NULL ) |
1198 | 0 | { |
1199 | 0 | libcerror_error_set( |
1200 | 0 | error, |
1201 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1202 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1203 | 0 | "%s: invalid handle - extent data file IO pool already exists.", |
1204 | 0 | function ); |
1205 | |
|
1206 | 0 | return( -1 ); |
1207 | 0 | } |
1208 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1209 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
1210 | 0 | internal_handle->read_write_lock, |
1211 | 0 | error ) != 1 ) |
1212 | 0 | { |
1213 | 0 | libcerror_error_set( |
1214 | 0 | error, |
1215 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1216 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1217 | 0 | "%s: unable to grab read/write lock for writing.", |
1218 | 0 | function ); |
1219 | |
|
1220 | 0 | return( -1 ); |
1221 | 0 | } |
1222 | 0 | #endif |
1223 | 0 | if( libcdata_array_get_number_of_entries( |
1224 | 0 | internal_handle->extent_values_array, |
1225 | 0 | &number_of_extents, |
1226 | 0 | error ) != 1 ) |
1227 | 0 | { |
1228 | 0 | libcerror_error_set( |
1229 | 0 | error, |
1230 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1231 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1232 | 0 | "%s: unable to retrieve number of extents.", |
1233 | 0 | function ); |
1234 | |
|
1235 | 0 | goto on_error; |
1236 | 0 | } |
1237 | 0 | if( number_of_extents == 0 ) |
1238 | 0 | { |
1239 | 0 | libcerror_error_set( |
1240 | 0 | error, |
1241 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1242 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1243 | 0 | "%s: invalid number of extents value out of bounds.", |
1244 | 0 | function ); |
1245 | |
|
1246 | 0 | return( -1 ); |
1247 | 0 | } |
1248 | 0 | if( libbfio_pool_initialize( |
1249 | 0 | &file_io_pool, |
1250 | 0 | number_of_extents, |
1251 | 0 | internal_handle->maximum_number_of_open_handles, |
1252 | 0 | error ) != 1 ) |
1253 | 0 | { |
1254 | 0 | libcerror_error_set( |
1255 | 0 | error, |
1256 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1257 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1258 | 0 | "%s: unable to create file IO pool.", |
1259 | 0 | function ); |
1260 | |
|
1261 | 0 | goto on_error; |
1262 | 0 | } |
1263 | 0 | for( extent_index = 0; |
1264 | 0 | extent_index < number_of_extents; |
1265 | 0 | extent_index++ ) |
1266 | 0 | { |
1267 | 0 | if( libcdata_array_get_entry_by_index( |
1268 | 0 | internal_handle->extent_values_array, |
1269 | 0 | extent_index, |
1270 | 0 | (intptr_t **) &extent_values, |
1271 | 0 | error ) != 1 ) |
1272 | 0 | { |
1273 | 0 | libcerror_error_set( |
1274 | 0 | error, |
1275 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1276 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1277 | 0 | "%s: unable to retrieve extent values: %d from array.", |
1278 | 0 | function, |
1279 | 0 | extent_index ); |
1280 | |
|
1281 | 0 | goto on_error; |
1282 | 0 | } |
1283 | 0 | if( extent_values == NULL ) |
1284 | 0 | { |
1285 | 0 | libcerror_error_set( |
1286 | 0 | error, |
1287 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1288 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1289 | 0 | "%s: missing extent values: %d.", |
1290 | 0 | function, |
1291 | 0 | extent_index ); |
1292 | |
|
1293 | 0 | goto on_error; |
1294 | 0 | } |
1295 | 0 | if( extent_values->type != LIBVMDK_EXTENT_TYPE_ZERO ) |
1296 | 0 | { |
1297 | | #if defined( HAVE_WIDE_SYSTEM_CHARACTER ) |
1298 | | result = libvmdk_extent_table_get_extent_data_file_path_wide( |
1299 | | internal_handle->extent_table, |
1300 | | extent_values, |
1301 | | &extent_data_file_location, |
1302 | | &extent_data_file_location_size, |
1303 | | error ); |
1304 | | #else |
1305 | 0 | result = libvmdk_extent_table_get_extent_data_file_path( |
1306 | 0 | internal_handle->extent_table, |
1307 | 0 | extent_values, |
1308 | 0 | &extent_data_file_location, |
1309 | 0 | &extent_data_file_location_size, |
1310 | 0 | error ); |
1311 | 0 | #endif |
1312 | 0 | if( result != 1 ) |
1313 | 0 | { |
1314 | 0 | libcerror_error_set( |
1315 | 0 | error, |
1316 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1317 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1318 | 0 | "%s: unable to create extent data file location.", |
1319 | 0 | function ); |
1320 | |
|
1321 | 0 | goto on_error; |
1322 | 0 | } |
1323 | 0 | extent_data_file_path = extent_data_file_location; |
1324 | |
|
1325 | | #if defined( HAVE_WIDE_SYSTEM_CHARACTER ) |
1326 | | result = libcfile_file_exists_wide( |
1327 | | extent_data_file_path, |
1328 | | error ); |
1329 | | #else |
1330 | 0 | result = libcfile_file_exists( |
1331 | 0 | extent_data_file_path, |
1332 | 0 | error ); |
1333 | 0 | #endif |
1334 | 0 | if( result == -1 ) |
1335 | 0 | { |
1336 | 0 | libcerror_error_set( |
1337 | 0 | error, |
1338 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1339 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1340 | 0 | "%s: unable to determine if extent: %d data file exists.", |
1341 | 0 | function, |
1342 | 0 | extent_index ); |
1343 | |
|
1344 | 0 | goto on_error; |
1345 | 0 | } |
1346 | 0 | else if( ( result == 0 ) |
1347 | 0 | && ( extent_values->alternate_filename != NULL ) ) |
1348 | 0 | { |
1349 | 0 | memory_free( |
1350 | 0 | extent_data_file_location ); |
1351 | |
|
1352 | 0 | extent_data_file_location = NULL; |
1353 | 0 | extent_data_file_location_size = 0; |
1354 | |
|
1355 | 0 | extent_data_file_path = extent_values->alternate_filename; |
1356 | 0 | } |
1357 | | /* Note that the open extent data file function will initialize extent_data_file_io_pool |
1358 | | */ |
1359 | | #if defined( HAVE_WIDE_SYSTEM_CHARACTER ) |
1360 | | result = libvmdk_handle_open_extent_data_file_wide( |
1361 | | internal_handle, |
1362 | | file_io_pool, |
1363 | | extent_index, |
1364 | | extent_data_file_path, |
1365 | | error ); |
1366 | | #else |
1367 | 0 | result = libvmdk_handle_open_extent_data_file( |
1368 | 0 | internal_handle, |
1369 | 0 | file_io_pool, |
1370 | 0 | extent_index, |
1371 | 0 | extent_data_file_path, |
1372 | 0 | error ); |
1373 | 0 | #endif |
1374 | 0 | if( result != 1 ) |
1375 | 0 | { |
1376 | 0 | libcerror_error_set( |
1377 | 0 | error, |
1378 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1379 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1380 | 0 | "%s: unable to open extent data file: %" PRIs_SYSTEM ".", |
1381 | 0 | function, |
1382 | 0 | extent_data_file_path ); |
1383 | |
|
1384 | 0 | goto on_error; |
1385 | 0 | } |
1386 | 0 | if( extent_data_file_location != NULL ) |
1387 | 0 | { |
1388 | 0 | memory_free( |
1389 | 0 | extent_data_file_location ); |
1390 | |
|
1391 | 0 | extent_data_file_location = NULL; |
1392 | 0 | } |
1393 | 0 | } |
1394 | 0 | } |
1395 | 0 | if( libvmdk_internal_handle_open_read_extent_data_files( |
1396 | 0 | internal_handle, |
1397 | 0 | file_io_pool, |
1398 | 0 | error ) != 1 ) |
1399 | 0 | { |
1400 | 0 | libcerror_error_set( |
1401 | 0 | error, |
1402 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1403 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1404 | 0 | "%s: unable to read extent data files.", |
1405 | 0 | function ); |
1406 | |
|
1407 | 0 | goto on_error; |
1408 | 0 | } |
1409 | 0 | internal_handle->extent_data_file_io_pool = file_io_pool; |
1410 | 0 | internal_handle->extent_data_file_io_pool_created_in_library = 1; |
1411 | |
|
1412 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1413 | 0 | if( libcthreads_read_write_lock_release_for_write( |
1414 | 0 | internal_handle->read_write_lock, |
1415 | 0 | error ) != 1 ) |
1416 | 0 | { |
1417 | 0 | libcerror_error_set( |
1418 | 0 | error, |
1419 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1420 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1421 | 0 | "%s: unable to release read/write lock for writing.", |
1422 | 0 | function ); |
1423 | |
|
1424 | 0 | return( -1 ); |
1425 | 0 | } |
1426 | 0 | #endif |
1427 | 0 | return( 1 ); |
1428 | | |
1429 | 0 | on_error: |
1430 | 0 | if( file_io_pool != NULL ) |
1431 | 0 | { |
1432 | 0 | libbfio_pool_close_all( |
1433 | 0 | file_io_pool, |
1434 | 0 | NULL ); |
1435 | 0 | libbfio_pool_free( |
1436 | 0 | &file_io_pool, |
1437 | 0 | NULL ); |
1438 | 0 | } |
1439 | 0 | if( extent_data_file_location != NULL ) |
1440 | 0 | { |
1441 | 0 | memory_free( |
1442 | 0 | extent_data_file_location ); |
1443 | 0 | } |
1444 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1445 | 0 | libcthreads_read_write_lock_release_for_write( |
1446 | 0 | internal_handle->read_write_lock, |
1447 | 0 | NULL ); |
1448 | 0 | #endif |
1449 | 0 | return( -1 ); |
1450 | 0 | } |
1451 | | |
1452 | | /* Opens the extent data files using a Basic File IO (bfio) pool |
1453 | | * This function assumes the extent data files are in same order as defined by the descriptor file |
1454 | | * Returns 1 if successful or -1 on error |
1455 | | */ |
1456 | | int libvmdk_handle_open_extent_data_files_file_io_pool( |
1457 | | libvmdk_handle_t *handle, |
1458 | | libbfio_pool_t *file_io_pool, |
1459 | | libcerror_error_t **error ) |
1460 | 0 | { |
1461 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
1462 | 0 | static char *function = "libvmdk_handle_open_extent_data_files_file_io_pool"; |
1463 | 0 | int result = 1; |
1464 | |
|
1465 | 0 | if( handle == NULL ) |
1466 | 0 | { |
1467 | 0 | libcerror_error_set( |
1468 | 0 | error, |
1469 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1470 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1471 | 0 | "%s: invalid handle.", |
1472 | 0 | function ); |
1473 | |
|
1474 | 0 | return( -1 ); |
1475 | 0 | } |
1476 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
1477 | |
|
1478 | 0 | if( ( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_READ ) == 0 ) |
1479 | 0 | && ( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) == 0 ) ) |
1480 | 0 | { |
1481 | 0 | libcerror_error_set( |
1482 | 0 | error, |
1483 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1484 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1485 | 0 | "%s: unsupported access flags.", |
1486 | 0 | function ); |
1487 | |
|
1488 | 0 | return( -1 ); |
1489 | 0 | } |
1490 | 0 | if( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_WRITE ) != 0 ) |
1491 | 0 | { |
1492 | 0 | libcerror_error_set( |
1493 | 0 | error, |
1494 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1495 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1496 | 0 | "%s: write access currently not supported.", |
1497 | 0 | function ); |
1498 | |
|
1499 | 0 | return( -1 ); |
1500 | 0 | } |
1501 | 0 | if( internal_handle->descriptor_file == NULL ) |
1502 | 0 | { |
1503 | 0 | libcerror_error_set( |
1504 | 0 | error, |
1505 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1506 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1507 | 0 | "%s: invalid handle - missing descriptor file.", |
1508 | 0 | function ); |
1509 | |
|
1510 | 0 | return( -1 ); |
1511 | 0 | } |
1512 | 0 | if( internal_handle->extent_data_file_io_pool != NULL ) |
1513 | 0 | { |
1514 | 0 | libcerror_error_set( |
1515 | 0 | error, |
1516 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1517 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1518 | 0 | "%s: invalid handle - extent data file IO pool already exists.", |
1519 | 0 | function ); |
1520 | |
|
1521 | 0 | return( -1 ); |
1522 | 0 | } |
1523 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1524 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
1525 | 0 | internal_handle->read_write_lock, |
1526 | 0 | error ) != 1 ) |
1527 | 0 | { |
1528 | 0 | libcerror_error_set( |
1529 | 0 | error, |
1530 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1531 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1532 | 0 | "%s: unable to grab read/write lock for writing.", |
1533 | 0 | function ); |
1534 | |
|
1535 | 0 | return( -1 ); |
1536 | 0 | } |
1537 | 0 | #endif |
1538 | 0 | if( libvmdk_internal_handle_open_read_extent_data_files( |
1539 | 0 | internal_handle, |
1540 | 0 | file_io_pool, |
1541 | 0 | error ) != 1 ) |
1542 | 0 | { |
1543 | 0 | libcerror_error_set( |
1544 | 0 | error, |
1545 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1546 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1547 | 0 | "%s: unable to read extent data files.", |
1548 | 0 | function ); |
1549 | |
|
1550 | 0 | result = -1; |
1551 | 0 | } |
1552 | 0 | else |
1553 | 0 | { |
1554 | 0 | internal_handle->extent_data_file_io_pool = file_io_pool; |
1555 | 0 | } |
1556 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1557 | 0 | if( libcthreads_read_write_lock_release_for_write( |
1558 | 0 | internal_handle->read_write_lock, |
1559 | 0 | error ) != 1 ) |
1560 | 0 | { |
1561 | 0 | libcerror_error_set( |
1562 | 0 | error, |
1563 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1564 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1565 | 0 | "%s: unable to release read/write lock for writing.", |
1566 | 0 | function ); |
1567 | |
|
1568 | 0 | return( -1 ); |
1569 | 0 | } |
1570 | 0 | #endif |
1571 | 0 | return( result ); |
1572 | 0 | } |
1573 | | |
1574 | | /* Opens a specific extent data file |
1575 | | * Returns 1 if successful or -1 on error |
1576 | | */ |
1577 | | int libvmdk_handle_open_extent_data_file( |
1578 | | libvmdk_internal_handle_t *internal_handle, |
1579 | | libbfio_pool_t *file_io_pool, |
1580 | | int extent_index, |
1581 | | const char *filename, |
1582 | | libcerror_error_t **error ) |
1583 | 0 | { |
1584 | 0 | libbfio_handle_t *file_io_handle = NULL; |
1585 | 0 | static char *function = "libvmdk_handle_open_extent_data_file"; |
1586 | 0 | size_t filename_length = 0; |
1587 | 0 | int bfio_access_flags = 0; |
1588 | |
|
1589 | 0 | if( internal_handle == NULL ) |
1590 | 0 | { |
1591 | 0 | libcerror_error_set( |
1592 | 0 | error, |
1593 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1594 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1595 | 0 | "%s: invalid handle.", |
1596 | 0 | function ); |
1597 | |
|
1598 | 0 | return( -1 ); |
1599 | 0 | } |
1600 | 0 | if( filename == NULL ) |
1601 | 0 | { |
1602 | 0 | libcerror_error_set( |
1603 | 0 | error, |
1604 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1605 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1606 | 0 | "%s: invalid filename.", |
1607 | 0 | function ); |
1608 | |
|
1609 | 0 | return( -1 ); |
1610 | 0 | } |
1611 | 0 | if( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_READ ) != 0 ) |
1612 | 0 | { |
1613 | 0 | bfio_access_flags = LIBBFIO_ACCESS_FLAG_READ; |
1614 | 0 | } |
1615 | 0 | if( libbfio_file_initialize( |
1616 | 0 | &file_io_handle, |
1617 | 0 | error ) != 1 ) |
1618 | 0 | { |
1619 | 0 | libcerror_error_set( |
1620 | 0 | error, |
1621 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1622 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1623 | 0 | "%s: unable to create file IO handle.", |
1624 | 0 | function ); |
1625 | |
|
1626 | 0 | goto on_error; |
1627 | 0 | } |
1628 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1629 | | if( libbfio_handle_set_track_offsets_read( |
1630 | | file_io_handle, |
1631 | | 1, |
1632 | | error ) != 1 ) |
1633 | | { |
1634 | | libcerror_error_set( |
1635 | | error, |
1636 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1637 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1638 | | "%s: unable to set track offsets read in file IO handle.", |
1639 | | function ); |
1640 | | |
1641 | | goto on_error; |
1642 | | } |
1643 | | #endif |
1644 | 0 | filename_length = narrow_string_length( |
1645 | 0 | filename ); |
1646 | |
|
1647 | 0 | if( libbfio_file_set_name( |
1648 | 0 | file_io_handle, |
1649 | 0 | filename, |
1650 | 0 | filename_length + 1, |
1651 | 0 | error ) != 1 ) |
1652 | 0 | { |
1653 | 0 | libcerror_error_set( |
1654 | 0 | error, |
1655 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1656 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1657 | 0 | "%s: unable to set filename in file IO handle.", |
1658 | 0 | function ); |
1659 | |
|
1660 | 0 | goto on_error; |
1661 | 0 | } |
1662 | 0 | if( libbfio_handle_open( |
1663 | 0 | file_io_handle, |
1664 | 0 | bfio_access_flags, |
1665 | 0 | error ) != 1 ) |
1666 | 0 | { |
1667 | 0 | libcerror_error_set( |
1668 | 0 | error, |
1669 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1670 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1671 | 0 | "%s: unable to open file IO handle.", |
1672 | 0 | function ); |
1673 | |
|
1674 | 0 | goto on_error; |
1675 | 0 | } |
1676 | 0 | if( libbfio_pool_set_handle( |
1677 | 0 | file_io_pool, |
1678 | 0 | extent_index, |
1679 | 0 | file_io_handle, |
1680 | 0 | bfio_access_flags, |
1681 | 0 | error ) != 1 ) |
1682 | 0 | { |
1683 | 0 | libcerror_error_set( |
1684 | 0 | error, |
1685 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1686 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1687 | 0 | "%s: unable to set file IO handle: %d in pool.", |
1688 | 0 | function, |
1689 | 0 | extent_index ); |
1690 | |
|
1691 | 0 | goto on_error; |
1692 | 0 | } |
1693 | 0 | return( 1 ); |
1694 | | |
1695 | 0 | on_error: |
1696 | 0 | if( file_io_handle != NULL ) |
1697 | 0 | { |
1698 | 0 | libbfio_handle_free( |
1699 | 0 | &file_io_handle, |
1700 | 0 | NULL ); |
1701 | 0 | } |
1702 | 0 | return( -1 ); |
1703 | 0 | } |
1704 | | |
1705 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
1706 | | |
1707 | | /* Opens a specific extent data file |
1708 | | * Returns 1 if successful or -1 on error |
1709 | | */ |
1710 | | int libvmdk_handle_open_extent_data_file_wide( |
1711 | | libvmdk_internal_handle_t *internal_handle, |
1712 | | libbfio_pool_t *file_io_pool, |
1713 | | int extent_index, |
1714 | | const wchar_t *filename, |
1715 | | libcerror_error_t **error ) |
1716 | | { |
1717 | | libbfio_handle_t *file_io_handle = NULL; |
1718 | | static char *function = "libvmdk_handle_open_extent_data_file_wide"; |
1719 | | size_t filename_length = 0; |
1720 | | int bfio_access_flags = 0; |
1721 | | |
1722 | | if( internal_handle == NULL ) |
1723 | | { |
1724 | | libcerror_error_set( |
1725 | | error, |
1726 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1727 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1728 | | "%s: invalid handle.", |
1729 | | function ); |
1730 | | |
1731 | | return( -1 ); |
1732 | | } |
1733 | | if( filename == NULL ) |
1734 | | { |
1735 | | libcerror_error_set( |
1736 | | error, |
1737 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1738 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1739 | | "%s: invalid filename.", |
1740 | | function ); |
1741 | | |
1742 | | return( -1 ); |
1743 | | } |
1744 | | if( ( internal_handle->access_flags & LIBVMDK_ACCESS_FLAG_READ ) != 0 ) |
1745 | | { |
1746 | | bfio_access_flags = LIBBFIO_ACCESS_FLAG_READ; |
1747 | | } |
1748 | | if( libbfio_file_initialize( |
1749 | | &file_io_handle, |
1750 | | error ) != 1 ) |
1751 | | { |
1752 | | libcerror_error_set( |
1753 | | error, |
1754 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1755 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1756 | | "%s: unable to create file IO handle.", |
1757 | | function ); |
1758 | | |
1759 | | goto on_error; |
1760 | | } |
1761 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1762 | | if( libbfio_handle_set_track_offsets_read( |
1763 | | file_io_handle, |
1764 | | 1, |
1765 | | error ) != 1 ) |
1766 | | { |
1767 | | libcerror_error_set( |
1768 | | error, |
1769 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1770 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1771 | | "%s: unable to set track offsets read in file IO handle.", |
1772 | | function ); |
1773 | | |
1774 | | goto on_error; |
1775 | | } |
1776 | | #endif |
1777 | | filename_length = wide_string_length( |
1778 | | filename ); |
1779 | | |
1780 | | if( libbfio_file_set_name_wide( |
1781 | | file_io_handle, |
1782 | | filename, |
1783 | | filename_length + 1, |
1784 | | error ) != 1 ) |
1785 | | { |
1786 | | libcerror_error_set( |
1787 | | error, |
1788 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1789 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1790 | | "%s: unable to set filename in file IO handle.", |
1791 | | function ); |
1792 | | |
1793 | | goto on_error; |
1794 | | } |
1795 | | if( libbfio_handle_open( |
1796 | | file_io_handle, |
1797 | | bfio_access_flags, |
1798 | | error ) != 1 ) |
1799 | | { |
1800 | | libcerror_error_set( |
1801 | | error, |
1802 | | LIBCERROR_ERROR_DOMAIN_IO, |
1803 | | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1804 | | "%s: unable to open file IO handle.", |
1805 | | function ); |
1806 | | |
1807 | | goto on_error; |
1808 | | } |
1809 | | if( libbfio_pool_set_handle( |
1810 | | file_io_pool, |
1811 | | extent_index, |
1812 | | file_io_handle, |
1813 | | bfio_access_flags, |
1814 | | error ) != 1 ) |
1815 | | { |
1816 | | libcerror_error_set( |
1817 | | error, |
1818 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1819 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1820 | | "%s: unable to set file IO handle: %d in pool.", |
1821 | | function, |
1822 | | extent_index ); |
1823 | | |
1824 | | goto on_error; |
1825 | | } |
1826 | | return( 1 ); |
1827 | | |
1828 | | on_error: |
1829 | | if( file_io_handle != NULL ) |
1830 | | { |
1831 | | libbfio_handle_free( |
1832 | | &file_io_handle, |
1833 | | NULL ); |
1834 | | } |
1835 | | return( -1 ); |
1836 | | } |
1837 | | |
1838 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
1839 | | |
1840 | | /* Closes the VMDK file(s) |
1841 | | * Returns 0 if successful or -1 on error |
1842 | | */ |
1843 | | int libvmdk_handle_close( |
1844 | | libvmdk_handle_t *handle, |
1845 | | libcerror_error_t **error ) |
1846 | 531 | { |
1847 | 531 | libvmdk_internal_handle_t *internal_handle = NULL; |
1848 | 531 | static char *function = "libvmdk_handle_close"; |
1849 | 531 | int result = 0; |
1850 | | |
1851 | 531 | if( handle == NULL ) |
1852 | 0 | { |
1853 | 0 | libcerror_error_set( |
1854 | 0 | error, |
1855 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1856 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1857 | 0 | "%s: invalid handle.", |
1858 | 0 | function ); |
1859 | |
|
1860 | 0 | return( -1 ); |
1861 | 0 | } |
1862 | 531 | internal_handle = (libvmdk_internal_handle_t *) handle; |
1863 | | |
1864 | 531 | if( internal_handle->descriptor_file == NULL ) |
1865 | 0 | { |
1866 | 0 | libcerror_error_set( |
1867 | 0 | error, |
1868 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1869 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1870 | 0 | "%s: invalid file - missing descriptor file.", |
1871 | 0 | function ); |
1872 | |
|
1873 | 0 | return( -1 ); |
1874 | 0 | } |
1875 | 531 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1876 | 531 | if( libcthreads_read_write_lock_grab_for_write( |
1877 | 531 | internal_handle->read_write_lock, |
1878 | 531 | error ) != 1 ) |
1879 | 0 | { |
1880 | 0 | libcerror_error_set( |
1881 | 0 | error, |
1882 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1883 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1884 | 0 | "%s: unable to grab read/write lock for writing.", |
1885 | 0 | function ); |
1886 | |
|
1887 | 0 | return( -1 ); |
1888 | 0 | } |
1889 | 531 | #endif |
1890 | 531 | if( internal_handle->extent_data_file_io_pool_created_in_library != 0 ) |
1891 | 0 | { |
1892 | 0 | if( libbfio_pool_close_all( |
1893 | 0 | internal_handle->extent_data_file_io_pool, |
1894 | 0 | error ) != 0 ) |
1895 | 0 | { |
1896 | 0 | libcerror_error_set( |
1897 | 0 | error, |
1898 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1899 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
1900 | 0 | "%s: unable to close all files in extent data file IO pool.", |
1901 | 0 | function ); |
1902 | |
|
1903 | 0 | result = -1; |
1904 | 0 | } |
1905 | 0 | if( libbfio_pool_free( |
1906 | 0 | &( internal_handle->extent_data_file_io_pool ), |
1907 | 0 | error ) != 1 ) |
1908 | 0 | { |
1909 | 0 | libcerror_error_set( |
1910 | 0 | error, |
1911 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1912 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1913 | 0 | "%s: unable to free extent data file IO pool.", |
1914 | 0 | function ); |
1915 | |
|
1916 | 0 | result = -1; |
1917 | 0 | } |
1918 | 0 | internal_handle->extent_data_file_io_pool_created_in_library = 0; |
1919 | 0 | } |
1920 | 531 | internal_handle->extent_data_file_io_pool = NULL; |
1921 | 531 | internal_handle->current_offset = 0; |
1922 | | |
1923 | 531 | if( libvmdk_io_handle_clear( |
1924 | 531 | internal_handle->io_handle, |
1925 | 531 | error ) != 1 ) |
1926 | 0 | { |
1927 | 0 | libcerror_error_set( |
1928 | 0 | error, |
1929 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1930 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1931 | 0 | "%s: unable to clear IO handle.", |
1932 | 0 | function ); |
1933 | |
|
1934 | 0 | result = -1; |
1935 | 0 | } |
1936 | 531 | if( internal_handle->descriptor_file != NULL ) |
1937 | 531 | { |
1938 | 531 | if( libvmdk_descriptor_file_free( |
1939 | 531 | &( internal_handle->descriptor_file ), |
1940 | 531 | error ) != 1 ) |
1941 | 0 | { |
1942 | 0 | libcerror_error_set( |
1943 | 0 | error, |
1944 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1945 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1946 | 0 | "%s: unable to free descriptor file.", |
1947 | 0 | function ); |
1948 | |
|
1949 | 0 | result = -1; |
1950 | 0 | } |
1951 | 531 | } |
1952 | 531 | if( internal_handle->grain_table != NULL ) |
1953 | 0 | { |
1954 | 0 | if( libvmdk_grain_table_free( |
1955 | 0 | &( internal_handle->grain_table ), |
1956 | 0 | error ) != 1 ) |
1957 | 0 | { |
1958 | 0 | libcerror_error_set( |
1959 | 0 | error, |
1960 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1961 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1962 | 0 | "%s: unable to free grain table.", |
1963 | 0 | function ); |
1964 | |
|
1965 | 0 | result = -1; |
1966 | 0 | } |
1967 | 0 | } |
1968 | 531 | if( internal_handle->grains_cache != NULL ) |
1969 | 0 | { |
1970 | 0 | if( libfcache_cache_free( |
1971 | 0 | &( internal_handle->grains_cache ), |
1972 | 0 | error ) != 1 ) |
1973 | 0 | { |
1974 | 0 | libcerror_error_set( |
1975 | 0 | error, |
1976 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1977 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1978 | 0 | "%s: unable to free grains cache.", |
1979 | 0 | function ); |
1980 | |
|
1981 | 0 | result = -1; |
1982 | 0 | } |
1983 | 0 | } |
1984 | 531 | if( libvmdk_extent_table_clear( |
1985 | 531 | internal_handle->extent_table, |
1986 | 531 | error ) != 1 ) |
1987 | 0 | { |
1988 | 0 | libcerror_error_set( |
1989 | 0 | error, |
1990 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1991 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1992 | 0 | "%s: unable to clear extent table.", |
1993 | 0 | function ); |
1994 | |
|
1995 | 0 | result = -1; |
1996 | 0 | } |
1997 | 531 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
1998 | 531 | if( libcthreads_read_write_lock_release_for_write( |
1999 | 531 | internal_handle->read_write_lock, |
2000 | 531 | error ) != 1 ) |
2001 | 0 | { |
2002 | 0 | libcerror_error_set( |
2003 | 0 | error, |
2004 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2005 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2006 | 0 | "%s: unable to release read/write lock for writing.", |
2007 | 0 | function ); |
2008 | |
|
2009 | 0 | return( -1 ); |
2010 | 0 | } |
2011 | 531 | #endif |
2012 | 531 | return( result ); |
2013 | 531 | } |
2014 | | |
2015 | | /* Opens a handle for reading |
2016 | | * Returns 1 if successful or -1 on error |
2017 | | */ |
2018 | | int libvmdk_internal_handle_open_read( |
2019 | | libvmdk_internal_handle_t *internal_handle, |
2020 | | libbfio_handle_t *file_io_handle, |
2021 | | libcerror_error_t **error ) |
2022 | 7.28k | { |
2023 | 7.28k | libvmdk_extent_file_t *extent_file = NULL; |
2024 | 7.28k | uint8_t *descriptor_data = NULL; |
2025 | 7.28k | static char *function = "libvmdk_internal_handle_open_read"; |
2026 | 7.28k | uint8_t file_type = 0; |
2027 | 7.28k | int result = 0; |
2028 | | |
2029 | 7.28k | if( internal_handle == NULL ) |
2030 | 0 | { |
2031 | 0 | libcerror_error_set( |
2032 | 0 | error, |
2033 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2034 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2035 | 0 | "%s: invalid handle.", |
2036 | 0 | function ); |
2037 | |
|
2038 | 0 | return( -1 ); |
2039 | 0 | } |
2040 | 7.28k | if( internal_handle->io_handle == NULL ) |
2041 | 0 | { |
2042 | 0 | libcerror_error_set( |
2043 | 0 | error, |
2044 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2045 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2046 | 0 | "%s: invalid handle - missing IO handle.", |
2047 | 0 | function ); |
2048 | |
|
2049 | 0 | return( -1 ); |
2050 | 0 | } |
2051 | 7.28k | if( internal_handle->descriptor_file != NULL ) |
2052 | 0 | { |
2053 | 0 | libcerror_error_set( |
2054 | 0 | error, |
2055 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2056 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2057 | 0 | "%s: invalid handle - descriptor file already set.", |
2058 | 0 | function ); |
2059 | |
|
2060 | 0 | return( -1 ); |
2061 | 0 | } |
2062 | 7.28k | result = libvmdk_internal_handle_open_read_signature( |
2063 | 7.28k | file_io_handle, |
2064 | 7.28k | &file_type, |
2065 | 7.28k | error ); |
2066 | | |
2067 | 7.28k | if( result == -1 ) |
2068 | 8 | { |
2069 | 8 | libcerror_error_set( |
2070 | 8 | error, |
2071 | 8 | LIBCERROR_ERROR_DOMAIN_IO, |
2072 | 8 | LIBCERROR_IO_ERROR_READ_FAILED, |
2073 | 8 | "%s: unable to read signature.", |
2074 | 8 | function ); |
2075 | | |
2076 | 8 | goto on_error; |
2077 | 8 | } |
2078 | 7.27k | else if( result == 0 ) |
2079 | 255 | { |
2080 | 255 | file_type = LIBVMDK_FILE_TYPE_RAW_DATA; |
2081 | 255 | } |
2082 | 7.27k | switch( file_type ) |
2083 | 7.27k | { |
2084 | 6.70k | case LIBVMDK_FILE_TYPE_DESCRIPTOR_FILE: |
2085 | 6.70k | if( libvmdk_descriptor_file_initialize( |
2086 | 6.70k | &( internal_handle->descriptor_file ), |
2087 | 6.70k | error ) != 1 ) |
2088 | 0 | { |
2089 | 0 | libcerror_error_set( |
2090 | 0 | error, |
2091 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2092 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2093 | 0 | "%s: unable to create descriptor file.", |
2094 | 0 | function ); |
2095 | |
|
2096 | 0 | goto on_error; |
2097 | 0 | } |
2098 | 6.70k | if( libvmdk_descriptor_file_read_file_io_handle( |
2099 | 6.70k | internal_handle->descriptor_file, |
2100 | 6.70k | file_io_handle, |
2101 | 6.70k | internal_handle->extent_values_array, |
2102 | 6.70k | error ) != 1 ) |
2103 | 6.17k | { |
2104 | 6.17k | libcerror_error_set( |
2105 | 6.17k | error, |
2106 | 6.17k | LIBCERROR_ERROR_DOMAIN_IO, |
2107 | 6.17k | LIBCERROR_IO_ERROR_READ_FAILED, |
2108 | 6.17k | "%s: unable to read descriptor file.", |
2109 | 6.17k | function ); |
2110 | | |
2111 | 6.17k | goto on_error; |
2112 | 6.17k | } |
2113 | 530 | break; |
2114 | | |
2115 | 530 | case LIBVMDK_FILE_TYPE_VMDK_SPARSE_DATA: |
2116 | 312 | if( libvmdk_extent_file_initialize( |
2117 | 312 | &extent_file, |
2118 | 312 | internal_handle->io_handle, |
2119 | 312 | error ) != 1 ) |
2120 | 0 | { |
2121 | 0 | libcerror_error_set( |
2122 | 0 | error, |
2123 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2124 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2125 | 0 | "%s: unable to create extent file.", |
2126 | 0 | function ); |
2127 | |
|
2128 | 0 | goto on_error; |
2129 | 0 | } |
2130 | 312 | if( libvmdk_extent_file_read_file_header_file_io_handle( |
2131 | 312 | extent_file, |
2132 | 312 | file_io_handle, |
2133 | 312 | 0, |
2134 | 312 | error ) != 1 ) |
2135 | 293 | { |
2136 | 293 | libcerror_error_set( |
2137 | 293 | error, |
2138 | 293 | LIBCERROR_ERROR_DOMAIN_IO, |
2139 | 293 | LIBCERROR_IO_ERROR_READ_FAILED, |
2140 | 293 | "%s: unable to read extent file header.", |
2141 | 293 | function ); |
2142 | | |
2143 | 293 | goto on_error; |
2144 | 293 | } |
2145 | 19 | if( extent_file->descriptor_size > 0 ) |
2146 | 18 | { |
2147 | 18 | if( libvmdk_descriptor_file_initialize( |
2148 | 18 | &( internal_handle->descriptor_file ), |
2149 | 18 | error ) != 1 ) |
2150 | 0 | { |
2151 | 0 | libcerror_error_set( |
2152 | 0 | error, |
2153 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2154 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2155 | 0 | "%s: unable to create descriptor file.", |
2156 | 0 | function ); |
2157 | |
|
2158 | 0 | goto on_error; |
2159 | 0 | } |
2160 | 18 | if( extent_file->descriptor_size > (size64_t) MEMORY_MAXIMUM_ALLOCATION_SIZE ) |
2161 | 1 | { |
2162 | 1 | libcerror_error_set( |
2163 | 1 | error, |
2164 | 1 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2165 | 1 | LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2166 | 1 | "%s: invalid extent file - descriptor size value exceeds maximum allocation size.", |
2167 | 1 | function ); |
2168 | | |
2169 | 1 | goto on_error; |
2170 | 1 | } |
2171 | 17 | descriptor_data = (uint8_t *) memory_allocate( |
2172 | 17 | sizeof( uint8_t ) * (size_t) extent_file->descriptor_size ); |
2173 | | |
2174 | 17 | if( descriptor_data == NULL ) |
2175 | 0 | { |
2176 | 0 | libcerror_error_set( |
2177 | 0 | error, |
2178 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2179 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
2180 | 0 | "%s: unable to create descriptor data.", |
2181 | 0 | function ); |
2182 | |
|
2183 | 0 | goto on_error; |
2184 | 0 | } |
2185 | 17 | if( libvmdk_extent_file_read_descriptor_data_file_io_handle( |
2186 | 17 | extent_file, |
2187 | 17 | file_io_handle, |
2188 | 17 | descriptor_data, |
2189 | 17 | (size_t) extent_file->descriptor_size, |
2190 | 17 | error ) != 1 ) |
2191 | 9 | { |
2192 | 9 | libcerror_error_set( |
2193 | 9 | error, |
2194 | 9 | LIBCERROR_ERROR_DOMAIN_IO, |
2195 | 9 | LIBCERROR_IO_ERROR_READ_FAILED, |
2196 | 9 | "%s: unable to read descriptor data.", |
2197 | 9 | function ); |
2198 | | |
2199 | 9 | goto on_error; |
2200 | 9 | } |
2201 | 8 | if( libvmdk_descriptor_file_read_string( |
2202 | 8 | internal_handle->descriptor_file, |
2203 | 8 | (char *) descriptor_data, |
2204 | 8 | (size_t) extent_file->descriptor_size, |
2205 | 8 | internal_handle->extent_values_array, |
2206 | 8 | error ) != 1 ) |
2207 | 7 | { |
2208 | 7 | libcerror_error_set( |
2209 | 7 | error, |
2210 | 7 | LIBCERROR_ERROR_DOMAIN_IO, |
2211 | 7 | LIBCERROR_IO_ERROR_READ_FAILED, |
2212 | 7 | "%s: unable to read descriptor from string.", |
2213 | 7 | function ); |
2214 | | |
2215 | 7 | goto on_error; |
2216 | 7 | } |
2217 | 1 | memory_free( |
2218 | 1 | descriptor_data ); |
2219 | | |
2220 | 1 | descriptor_data = NULL; |
2221 | 1 | } |
2222 | 2 | if( libvmdk_extent_file_free( |
2223 | 2 | &extent_file, |
2224 | 2 | error ) != 1 ) |
2225 | 0 | { |
2226 | 0 | libcerror_error_set( |
2227 | 0 | error, |
2228 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2229 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2230 | 0 | "%s: unable to free extent file.", |
2231 | 0 | function ); |
2232 | |
|
2233 | 0 | goto on_error; |
2234 | 0 | } |
2235 | 2 | break; |
2236 | | |
2237 | 255 | case LIBVMDK_FILE_TYPE_RAW_DATA: |
2238 | 256 | case LIBVMDK_FILE_TYPE_COWD_SPARSE_DATA: |
2239 | 256 | default: |
2240 | 256 | libcerror_error_set( |
2241 | 256 | error, |
2242 | 256 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2243 | 256 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
2244 | 256 | "%s: unsupported file type.", |
2245 | 256 | function ); |
2246 | | |
2247 | 256 | goto on_error; |
2248 | 7.27k | } |
2249 | 532 | if( libvmdk_descriptor_file_get_disk_type( |
2250 | 532 | internal_handle->descriptor_file, |
2251 | 532 | &( internal_handle->disk_type ), |
2252 | 532 | error ) != 1 ) |
2253 | 1 | { |
2254 | 1 | libcerror_error_set( |
2255 | 1 | error, |
2256 | 1 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2257 | 1 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2258 | 1 | "%s: unable to retrieve disk type.", |
2259 | 1 | function ); |
2260 | | |
2261 | 1 | goto on_error; |
2262 | 1 | } |
2263 | 531 | if( libvmdk_descriptor_file_get_media_size( |
2264 | 531 | internal_handle->descriptor_file, |
2265 | 531 | &( internal_handle->io_handle->media_size ), |
2266 | 531 | error ) != 1 ) |
2267 | 0 | { |
2268 | 0 | libcerror_error_set( |
2269 | 0 | error, |
2270 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2271 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2272 | 0 | "%s: unable to retrieve media size.", |
2273 | 0 | function ); |
2274 | |
|
2275 | 0 | goto on_error; |
2276 | 0 | } |
2277 | 531 | return( 1 ); |
2278 | | |
2279 | 6.75k | on_error: |
2280 | 6.75k | if( descriptor_data != NULL ) |
2281 | 16 | { |
2282 | 16 | memory_free( |
2283 | 16 | descriptor_data ); |
2284 | 16 | } |
2285 | 6.75k | if( extent_file != NULL ) |
2286 | 310 | { |
2287 | 310 | libvmdk_extent_file_free( |
2288 | 310 | &extent_file, |
2289 | 310 | NULL ); |
2290 | 310 | } |
2291 | 6.75k | if( internal_handle->descriptor_file != NULL ) |
2292 | 6.19k | { |
2293 | 6.19k | libvmdk_descriptor_file_free( |
2294 | 6.19k | &( internal_handle->descriptor_file ), |
2295 | 6.19k | NULL ); |
2296 | 6.19k | } |
2297 | 6.75k | return( -1 ); |
2298 | 531 | } |
2299 | | |
2300 | | /* Reads the extent data files |
2301 | | * Returns 1 if successful or -1 on error |
2302 | | */ |
2303 | | int libvmdk_internal_handle_open_read_extent_data_files( |
2304 | | libvmdk_internal_handle_t *internal_handle, |
2305 | | libbfio_pool_t *file_io_pool, |
2306 | | libcerror_error_t **error ) |
2307 | 0 | { |
2308 | 0 | libvmdk_extent_file_t *extent_file = NULL; |
2309 | 0 | libvmdk_extent_values_t *extent_values = NULL; |
2310 | 0 | static char *function = "libvmdk_internal_handle_open_read_extent_data_files"; |
2311 | 0 | size64_t extent_file_size = 0; |
2312 | 0 | int extent_index = 0; |
2313 | 0 | int number_of_extents = 0; |
2314 | 0 | int number_of_file_io_handles = 0; |
2315 | |
|
2316 | 0 | if( internal_handle == NULL ) |
2317 | 0 | { |
2318 | 0 | libcerror_error_set( |
2319 | 0 | error, |
2320 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2321 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2322 | 0 | "%s: invalid handle.", |
2323 | 0 | function ); |
2324 | |
|
2325 | 0 | return( -1 ); |
2326 | 0 | } |
2327 | 0 | if( internal_handle->io_handle == NULL ) |
2328 | 0 | { |
2329 | 0 | libcerror_error_set( |
2330 | 0 | error, |
2331 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2332 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2333 | 0 | "%s: invalid handle - missing IO handle.", |
2334 | 0 | function ); |
2335 | |
|
2336 | 0 | return( -1 ); |
2337 | 0 | } |
2338 | 0 | if( internal_handle->descriptor_file == NULL ) |
2339 | 0 | { |
2340 | 0 | libcerror_error_set( |
2341 | 0 | error, |
2342 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2343 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2344 | 0 | "%s: invalid handle - missing descriptor file.", |
2345 | 0 | function ); |
2346 | |
|
2347 | 0 | return( -1 ); |
2348 | 0 | } |
2349 | 0 | if( internal_handle->grain_table != NULL ) |
2350 | 0 | { |
2351 | 0 | libcerror_error_set( |
2352 | 0 | error, |
2353 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2354 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2355 | 0 | "%s: invalid handle - grain table already set.", |
2356 | 0 | function ); |
2357 | |
|
2358 | 0 | return( -1 ); |
2359 | 0 | } |
2360 | 0 | if( internal_handle->grains_cache != NULL ) |
2361 | 0 | { |
2362 | 0 | libcerror_error_set( |
2363 | 0 | error, |
2364 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2365 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2366 | 0 | "%s: invalid handle - grains cache already set.", |
2367 | 0 | function ); |
2368 | |
|
2369 | 0 | return( -1 ); |
2370 | 0 | } |
2371 | 0 | if( libcdata_array_get_number_of_entries( |
2372 | 0 | internal_handle->extent_values_array, |
2373 | 0 | &number_of_extents, |
2374 | 0 | error ) != 1 ) |
2375 | 0 | { |
2376 | 0 | libcerror_error_set( |
2377 | 0 | error, |
2378 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2379 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2380 | 0 | "%s: unable to retrieve number of extents.", |
2381 | 0 | function ); |
2382 | |
|
2383 | 0 | goto on_error; |
2384 | 0 | } |
2385 | 0 | if( number_of_extents == 0 ) |
2386 | 0 | { |
2387 | 0 | libcerror_error_set( |
2388 | 0 | error, |
2389 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2390 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2391 | 0 | "%s: missing extents.", |
2392 | 0 | function ); |
2393 | |
|
2394 | 0 | goto on_error; |
2395 | 0 | } |
2396 | 0 | if( libbfio_pool_get_number_of_handles( |
2397 | 0 | file_io_pool, |
2398 | 0 | &number_of_file_io_handles, |
2399 | 0 | error ) != 1 ) |
2400 | 0 | { |
2401 | 0 | libcerror_error_set( |
2402 | 0 | error, |
2403 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2404 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2405 | 0 | "%s: unable to retrieve the number of file IO handles.", |
2406 | 0 | function ); |
2407 | |
|
2408 | 0 | return( -1 ); |
2409 | 0 | } |
2410 | 0 | if( number_of_extents != number_of_file_io_handles ) |
2411 | 0 | { |
2412 | 0 | libcerror_error_set( |
2413 | 0 | error, |
2414 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2415 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2416 | 0 | "%s: mismatch between number of file IO handles in pool and number of extents in metadata.", |
2417 | 0 | function ); |
2418 | |
|
2419 | 0 | goto on_error; |
2420 | 0 | } |
2421 | 0 | if( libvmdk_extent_table_initialize_extents( |
2422 | 0 | internal_handle->extent_table, |
2423 | 0 | number_of_extents, |
2424 | 0 | internal_handle->disk_type, |
2425 | 0 | error ) != 1 ) |
2426 | 0 | { |
2427 | 0 | libcerror_error_set( |
2428 | 0 | error, |
2429 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2430 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2431 | 0 | "%s: unable to initialize extent table extents.", |
2432 | 0 | function ); |
2433 | |
|
2434 | 0 | goto on_error; |
2435 | 0 | } |
2436 | 0 | if( libvmdk_grain_table_initialize( |
2437 | 0 | &( internal_handle->grain_table ), |
2438 | 0 | internal_handle->io_handle, |
2439 | 0 | error ) != 1 ) |
2440 | 0 | { |
2441 | 0 | libcerror_error_set( |
2442 | 0 | error, |
2443 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2444 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2445 | 0 | "%s: unable to create grain table.", |
2446 | 0 | function ); |
2447 | |
|
2448 | 0 | goto on_error; |
2449 | 0 | } |
2450 | 0 | if( libfcache_cache_initialize( |
2451 | 0 | &( internal_handle->grains_cache ), |
2452 | 0 | LIBVMDK_MAXIMUM_CACHE_ENTRIES_GRAINS, |
2453 | 0 | error ) != 1 ) |
2454 | 0 | { |
2455 | 0 | libcerror_error_set( |
2456 | 0 | error, |
2457 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2458 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2459 | 0 | "%s: unable to create grains cache.", |
2460 | 0 | function ); |
2461 | |
|
2462 | 0 | goto on_error; |
2463 | 0 | } |
2464 | 0 | for( extent_index = 0; |
2465 | 0 | extent_index < number_of_extents; |
2466 | 0 | extent_index++ ) |
2467 | 0 | { |
2468 | 0 | if( libcdata_array_get_entry_by_index( |
2469 | 0 | internal_handle->extent_values_array, |
2470 | 0 | extent_index, |
2471 | 0 | (intptr_t **) &extent_values, |
2472 | 0 | error ) != 1 ) |
2473 | 0 | { |
2474 | 0 | libcerror_error_set( |
2475 | 0 | error, |
2476 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2477 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2478 | 0 | "%s: unable to retrieve extent values: %d from array.", |
2479 | 0 | function, |
2480 | 0 | extent_index ); |
2481 | |
|
2482 | 0 | goto on_error; |
2483 | 0 | } |
2484 | 0 | if( libbfio_pool_get_size( |
2485 | 0 | file_io_pool, |
2486 | 0 | extent_index, |
2487 | 0 | &extent_file_size, |
2488 | 0 | error ) != 1 ) |
2489 | 0 | { |
2490 | 0 | libcerror_error_set( |
2491 | 0 | error, |
2492 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2493 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2494 | 0 | "%s: unable to retrieve size of file IO pool entry: %d.", |
2495 | 0 | function, |
2496 | 0 | extent_index ); |
2497 | |
|
2498 | 0 | goto on_error; |
2499 | 0 | } |
2500 | 0 | if( libvmdk_extent_table_set_extent_by_extent_values( |
2501 | 0 | internal_handle->extent_table, |
2502 | 0 | extent_values, |
2503 | 0 | extent_index, |
2504 | 0 | extent_index, |
2505 | 0 | extent_file_size, |
2506 | 0 | extent_values->offset, |
2507 | 0 | extent_values->size, |
2508 | 0 | error ) != 1 ) |
2509 | 0 | { |
2510 | 0 | libcerror_error_set( |
2511 | 0 | error, |
2512 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2513 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2514 | 0 | "%s: unable to set extent: %d in table.", |
2515 | 0 | function, |
2516 | 0 | extent_index ); |
2517 | |
|
2518 | 0 | goto on_error; |
2519 | 0 | } |
2520 | 0 | if( ( extent_values->type == LIBVMDK_EXTENT_TYPE_SPARSE ) |
2521 | 0 | || ( extent_values->type == LIBVMDK_EXTENT_TYPE_VMFS_SPARSE ) ) |
2522 | 0 | { |
2523 | 0 | if( libvmdk_extent_file_initialize( |
2524 | 0 | &extent_file, |
2525 | 0 | internal_handle->io_handle, |
2526 | 0 | error ) != 1 ) |
2527 | 0 | { |
2528 | 0 | libcerror_error_set( |
2529 | 0 | error, |
2530 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2531 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2532 | 0 | "%s: unable to create extent file: %d.", |
2533 | 0 | function, |
2534 | 0 | extent_index ); |
2535 | |
|
2536 | 0 | goto on_error; |
2537 | 0 | } |
2538 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2539 | | if( libcnotify_verbose != 0 ) |
2540 | | { |
2541 | | libcnotify_printf( |
2542 | | "Reading extent file: %d file header:\n", |
2543 | | extent_index ); |
2544 | | } |
2545 | | #endif |
2546 | 0 | if( libvmdk_extent_file_read_file_header( |
2547 | 0 | extent_file, |
2548 | 0 | file_io_pool, |
2549 | 0 | extent_index, |
2550 | 0 | 0, |
2551 | 0 | error ) != 1 ) |
2552 | 0 | { |
2553 | 0 | libcerror_error_set( |
2554 | 0 | error, |
2555 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2556 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2557 | 0 | "%s: unable to read extent file: %d header.", |
2558 | 0 | function, |
2559 | 0 | extent_index ); |
2560 | |
|
2561 | 0 | goto on_error; |
2562 | 0 | } |
2563 | 0 | if( ( extent_file->file_type != LIBVMDK_FILE_TYPE_COWD_SPARSE_DATA ) |
2564 | 0 | && ( extent_file->file_type != LIBVMDK_FILE_TYPE_VMDK_SPARSE_DATA ) ) |
2565 | 0 | { |
2566 | 0 | libcerror_error_set( |
2567 | 0 | error, |
2568 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2569 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2570 | 0 | "%s: extent file type not supported for extent type.", |
2571 | 0 | function ); |
2572 | |
|
2573 | 0 | goto on_error; |
2574 | 0 | } |
2575 | 0 | if( ( internal_handle->disk_type != LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED ) |
2576 | 0 | && ( extent_file->file_type == LIBVMDK_FILE_TYPE_VMDK_SPARSE_DATA ) |
2577 | 0 | && ( ( extent_file->flags & LIBVMDK_FLAG_HAS_GRAIN_COMPRESSION ) != LIBVMDK_COMPRESSION_METHOD_NONE ) ) |
2578 | 0 | { |
2579 | 0 | libcerror_error_set( |
2580 | 0 | error, |
2581 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2582 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2583 | 0 | "%s: grain compression not supported for disk type.", |
2584 | 0 | function ); |
2585 | |
|
2586 | 0 | goto on_error; |
2587 | 0 | } |
2588 | 0 | if( ( extent_file->file_type == LIBVMDK_FILE_TYPE_VMDK_SPARSE_DATA ) |
2589 | 0 | && ( extent_file->primary_grain_directory_offset == (off64_t) -1 ) |
2590 | 0 | && ( extent_file->compression_method == LIBVMDK_COMPRESSION_METHOD_DEFLATE ) ) |
2591 | 0 | { |
2592 | 0 | if( libvmdk_extent_file_read_file_header( |
2593 | 0 | extent_file, |
2594 | 0 | file_io_pool, |
2595 | 0 | extent_index, |
2596 | 0 | extent_file_size - 1024, |
2597 | 0 | error ) != 1 ) |
2598 | 0 | { |
2599 | 0 | libcerror_error_set( |
2600 | 0 | error, |
2601 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2602 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2603 | 0 | "%s: unable to read secondary extent file: %d header.", |
2604 | 0 | function, |
2605 | 0 | extent_index ); |
2606 | |
|
2607 | 0 | goto on_error; |
2608 | 0 | } |
2609 | 0 | } |
2610 | 0 | if( extent_index == 0 ) |
2611 | 0 | { |
2612 | 0 | internal_handle->io_handle->grain_size = extent_file->grain_size; |
2613 | 0 | } |
2614 | 0 | else if( extent_file->grain_size != internal_handle->io_handle->grain_size ) |
2615 | 0 | { |
2616 | 0 | libcerror_error_set( |
2617 | 0 | error, |
2618 | 0 | LIBCERROR_ERROR_DOMAIN_INPUT, |
2619 | 0 | LIBCERROR_INPUT_ERROR_VALUE_MISMATCH, |
2620 | 0 | "%s: extent file: %d grain size mismatch.", |
2621 | 0 | function, |
2622 | 0 | extent_index ); |
2623 | |
|
2624 | 0 | goto on_error; |
2625 | 0 | } |
2626 | 0 | if( extent_file->is_dirty != 0 ) |
2627 | 0 | { |
2628 | 0 | internal_handle->io_handle->is_dirty = 1; |
2629 | 0 | } |
2630 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2631 | | if( libcnotify_verbose != 0 ) |
2632 | | { |
2633 | | libcnotify_printf( |
2634 | | "Reading extent file: %d grain directories:\n", |
2635 | | extent_index ); |
2636 | | } |
2637 | | #endif |
2638 | 0 | if( libvmdk_extent_file_read_grain_directories( |
2639 | 0 | extent_file, |
2640 | 0 | file_io_pool, |
2641 | 0 | extent_index, |
2642 | 0 | error ) != 1 ) |
2643 | 0 | { |
2644 | 0 | libcerror_error_set( |
2645 | 0 | error, |
2646 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2647 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2648 | 0 | "%s: unable to read extent file: %d grain directories.", |
2649 | 0 | function, |
2650 | 0 | extent_index ); |
2651 | |
|
2652 | 0 | goto on_error; |
2653 | 0 | } |
2654 | 0 | if( libvmdk_extent_table_set_extent_storage_media_size_by_index( |
2655 | 0 | internal_handle->extent_table, |
2656 | 0 | extent_index, |
2657 | 0 | extent_file->storage_media_size, |
2658 | 0 | error ) != 1 ) |
2659 | 0 | { |
2660 | 0 | libcerror_error_set( |
2661 | 0 | error, |
2662 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2663 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
2664 | 0 | "%s: unable to set mapped range of element: %d in extent table.", |
2665 | 0 | function, |
2666 | 0 | extent_index ); |
2667 | |
|
2668 | 0 | goto on_error; |
2669 | 0 | } |
2670 | 0 | if( libvmdk_extent_file_free( |
2671 | 0 | &extent_file, |
2672 | 0 | error ) != 1 ) |
2673 | 0 | { |
2674 | 0 | libcerror_error_set( |
2675 | 0 | error, |
2676 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2677 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2678 | 0 | "%s: unable to free extent file.", |
2679 | 0 | function ); |
2680 | |
|
2681 | 0 | goto on_error; |
2682 | 0 | } |
2683 | 0 | } |
2684 | 0 | else if( ( extent_values->type != LIBVMDK_EXTENT_TYPE_FLAT ) |
2685 | 0 | && ( extent_values->type != LIBVMDK_EXTENT_TYPE_VMFS_FLAT ) ) |
2686 | 0 | { |
2687 | 0 | libcerror_error_set( |
2688 | 0 | error, |
2689 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2690 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2691 | 0 | "%s: unsupported extent type.", |
2692 | 0 | function ); |
2693 | |
|
2694 | 0 | goto on_error; |
2695 | 0 | } |
2696 | 0 | if( internal_handle->io_handle->abort == 1 ) |
2697 | 0 | { |
2698 | 0 | goto on_error; |
2699 | 0 | } |
2700 | 0 | } |
2701 | 0 | return( 1 ); |
2702 | | |
2703 | 0 | on_error: |
2704 | 0 | if( extent_file != NULL ) |
2705 | 0 | { |
2706 | 0 | libvmdk_extent_file_free( |
2707 | 0 | &extent_file, |
2708 | 0 | NULL ); |
2709 | 0 | } |
2710 | 0 | if( internal_handle->grains_cache != NULL ) |
2711 | 0 | { |
2712 | 0 | libfcache_cache_free( |
2713 | 0 | &( internal_handle->grains_cache ), |
2714 | 0 | NULL ); |
2715 | 0 | } |
2716 | 0 | if( internal_handle->grain_table != NULL ) |
2717 | 0 | { |
2718 | 0 | libvmdk_grain_table_free( |
2719 | 0 | &( internal_handle->grain_table ), |
2720 | 0 | NULL ); |
2721 | 0 | } |
2722 | 0 | return( -1 ); |
2723 | 0 | } |
2724 | | |
2725 | | /* Reads the file signature and tries to determine the file type |
2726 | | * Returns 1 if successful, 0 if no file type could be determined or -1 on error |
2727 | | */ |
2728 | | int libvmdk_internal_handle_open_read_signature( |
2729 | | libbfio_handle_t *file_io_handle, |
2730 | | uint8_t *file_type, |
2731 | | libcerror_error_t **error ) |
2732 | 7.28k | { |
2733 | 7.28k | libcsplit_narrow_split_string_t *lines = NULL; |
2734 | 7.28k | uint8_t *signature = NULL; |
2735 | 7.28k | static char *function = "libvmdk_internal_handle_open_read_signature"; |
2736 | 7.28k | ssize_t read_count = 0; |
2737 | 7.28k | int line_index = 0; |
2738 | 7.28k | int number_of_lines = 0; |
2739 | 7.28k | int result = 0; |
2740 | | |
2741 | 7.28k | if( file_type == NULL ) |
2742 | 0 | { |
2743 | 0 | libcerror_error_set( |
2744 | 0 | error, |
2745 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2746 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2747 | 0 | "%s: invalid file type.", |
2748 | 0 | function ); |
2749 | |
|
2750 | 0 | return( -1 ); |
2751 | 0 | } |
2752 | 7.28k | signature = (uint8_t *) memory_allocate( |
2753 | 7.28k | sizeof( uint8_t ) * 2048 ); |
2754 | | |
2755 | 7.28k | if( signature == NULL ) |
2756 | 0 | { |
2757 | 0 | libcerror_error_set( |
2758 | 0 | error, |
2759 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2760 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
2761 | 0 | "%s: unable to create signature.", |
2762 | 0 | function ); |
2763 | |
|
2764 | 0 | goto on_error; |
2765 | 0 | } |
2766 | 7.28k | if( memory_set( |
2767 | 7.28k | signature, |
2768 | 7.28k | 0, |
2769 | 7.28k | sizeof( uint8_t ) * 2048 ) == NULL ) |
2770 | 0 | { |
2771 | 0 | libcerror_error_set( |
2772 | 0 | error, |
2773 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2774 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2775 | 0 | "%s: unable to clear signature.", |
2776 | 0 | function ); |
2777 | |
|
2778 | 0 | goto on_error; |
2779 | 0 | } |
2780 | 7.28k | read_count = libbfio_handle_read_buffer_at_offset( |
2781 | 7.28k | file_io_handle, |
2782 | 7.28k | signature, |
2783 | 7.28k | 32, |
2784 | 7.28k | 0, |
2785 | 7.28k | error ); |
2786 | | |
2787 | 7.28k | if( read_count != (ssize_t) 32 ) |
2788 | 8 | { |
2789 | 8 | libcerror_error_set( |
2790 | 8 | error, |
2791 | 8 | LIBCERROR_ERROR_DOMAIN_IO, |
2792 | 8 | LIBCERROR_IO_ERROR_READ_FAILED, |
2793 | 8 | "%s: unable to read signature at offset: 0 (0x00000000).", |
2794 | 8 | function ); |
2795 | | |
2796 | 8 | goto on_error; |
2797 | 8 | } |
2798 | 7.27k | if( memory_compare( |
2799 | 7.27k | signature, |
2800 | 7.27k | cowd_sparse_file_signature, |
2801 | 7.27k | 4 ) == 0 ) |
2802 | 1 | { |
2803 | 1 | *file_type = LIBVMDK_FILE_TYPE_COWD_SPARSE_DATA; |
2804 | 1 | result = 1; |
2805 | 1 | } |
2806 | 7.27k | else if( memory_compare( |
2807 | 7.27k | signature, |
2808 | 7.27k | vmdk_sparse_file_signature, |
2809 | 7.27k | 4 ) == 0 ) |
2810 | 312 | { |
2811 | 312 | *file_type = LIBVMDK_FILE_TYPE_VMDK_SPARSE_DATA; |
2812 | 312 | result = 1; |
2813 | 312 | } |
2814 | 6.96k | else if( signature[ 0 ] == '#' ) |
2815 | 6.92k | { |
2816 | 6.92k | read_count = libbfio_handle_read_buffer( |
2817 | 6.92k | file_io_handle, |
2818 | 6.92k | &( signature[ 32 ] ), |
2819 | 6.92k | 2048 - 32, |
2820 | 6.92k | error ); |
2821 | | |
2822 | 6.92k | if( read_count == -1 ) |
2823 | 0 | { |
2824 | 0 | libcerror_error_set( |
2825 | 0 | error, |
2826 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2827 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2828 | 0 | "%s: unable to read signature.", |
2829 | 0 | function ); |
2830 | |
|
2831 | 0 | goto on_error; |
2832 | 0 | } |
2833 | 6.92k | if( libcsplit_narrow_string_split( |
2834 | 6.92k | (char *) signature, |
2835 | 6.92k | 32 + read_count, |
2836 | 6.92k | '\n', |
2837 | 6.92k | &lines, |
2838 | 6.92k | error ) != 1 ) |
2839 | 0 | { |
2840 | 0 | libcerror_error_set( |
2841 | 0 | error, |
2842 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2843 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2844 | 0 | "%s: unable to split file data into lines.", |
2845 | 0 | function ); |
2846 | |
|
2847 | 0 | goto on_error; |
2848 | 0 | } |
2849 | 6.92k | if( libcsplit_narrow_split_string_get_number_of_segments( |
2850 | 6.92k | lines, |
2851 | 6.92k | &number_of_lines, |
2852 | 6.92k | error ) != 1 ) |
2853 | 0 | { |
2854 | 0 | libcerror_error_set( |
2855 | 0 | error, |
2856 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2857 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2858 | 0 | "%s: unable to retrieve number of lines.", |
2859 | 0 | function ); |
2860 | |
|
2861 | 0 | goto on_error; |
2862 | 0 | } |
2863 | 6.92k | result = libvmdk_descriptor_file_read_signature( |
2864 | 6.92k | lines, |
2865 | 6.92k | number_of_lines, |
2866 | 6.92k | &line_index, |
2867 | 6.92k | error ); |
2868 | | |
2869 | 6.92k | if( result == -1 ) |
2870 | 0 | { |
2871 | 0 | libcerror_error_set( |
2872 | 0 | error, |
2873 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2874 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
2875 | 0 | "%s: unable to read descriptor file.", |
2876 | 0 | function ); |
2877 | |
|
2878 | 0 | goto on_error; |
2879 | 0 | } |
2880 | 6.92k | else if( result != 0 ) |
2881 | 6.70k | { |
2882 | 6.70k | *file_type = LIBVMDK_FILE_TYPE_DESCRIPTOR_FILE; |
2883 | 6.70k | } |
2884 | 6.92k | if( libcsplit_narrow_split_string_free( |
2885 | 6.92k | &lines, |
2886 | 6.92k | error ) != 1 ) |
2887 | 0 | { |
2888 | 0 | libcerror_error_set( |
2889 | 0 | error, |
2890 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2891 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2892 | 0 | "%s: unable to free lines.", |
2893 | 0 | function ); |
2894 | |
|
2895 | 0 | goto on_error; |
2896 | 0 | } |
2897 | 6.92k | } |
2898 | 7.27k | memory_free( |
2899 | 7.27k | signature ); |
2900 | | |
2901 | 7.27k | return( result ); |
2902 | | |
2903 | 8 | on_error: |
2904 | 8 | if( lines != NULL ) |
2905 | 0 | { |
2906 | 0 | libcsplit_narrow_split_string_free( |
2907 | 0 | &lines, |
2908 | 0 | NULL ); |
2909 | 0 | } |
2910 | 8 | if( signature != NULL ) |
2911 | 8 | { |
2912 | 8 | memory_free( |
2913 | 8 | signature ); |
2914 | 8 | } |
2915 | 8 | return( -1 ); |
2916 | 7.27k | } |
2917 | | |
2918 | | /* Reads (media) data at the current offset into a buffer using a Basic File IO (bfio) pool |
2919 | | * This function is not multi-thread safe acquire write lock before call |
2920 | | * Returns the number of bytes read or -1 on error |
2921 | | */ |
2922 | | ssize_t libvmdk_internal_handle_read_buffer_from_file_io_pool( |
2923 | | libvmdk_internal_handle_t *internal_handle, |
2924 | | libbfio_pool_t *file_io_pool, |
2925 | | void *buffer, |
2926 | | size_t buffer_size, |
2927 | | libcerror_error_t **error ) |
2928 | 0 | { |
2929 | 0 | libvmdk_grain_data_t *grain_data = NULL; |
2930 | 0 | static char *function = "libvmdk_internal_handle_read_buffer_from_file_io_pool"; |
2931 | 0 | size_t buffer_offset = 0; |
2932 | 0 | size_t read_size = 0; |
2933 | 0 | ssize_t read_count = 0; |
2934 | 0 | off64_t grain_data_offset = 0; |
2935 | 0 | uint64_t grain_index = 0; |
2936 | 0 | int grain_is_sparse = 0; |
2937 | |
|
2938 | 0 | if( internal_handle == NULL ) |
2939 | 0 | { |
2940 | 0 | libcerror_error_set( |
2941 | 0 | error, |
2942 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2943 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2944 | 0 | "%s: invalid handle.", |
2945 | 0 | function ); |
2946 | |
|
2947 | 0 | return( -1 ); |
2948 | 0 | } |
2949 | 0 | if( internal_handle->io_handle == NULL ) |
2950 | 0 | { |
2951 | 0 | libcerror_error_set( |
2952 | 0 | error, |
2953 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2954 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2955 | 0 | "%s: invalid handle - missing IO handle.", |
2956 | 0 | function ); |
2957 | |
|
2958 | 0 | return( -1 ); |
2959 | 0 | } |
2960 | 0 | if( internal_handle->current_offset < 0 ) |
2961 | 0 | { |
2962 | 0 | libcerror_error_set( |
2963 | 0 | error, |
2964 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2965 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2966 | 0 | "%s: invalid handle - invalid IO handle - current offset value out of bounds.", |
2967 | 0 | function ); |
2968 | |
|
2969 | 0 | return( -1 ); |
2970 | 0 | } |
2971 | 0 | if( internal_handle->descriptor_file == NULL ) |
2972 | 0 | { |
2973 | 0 | libcerror_error_set( |
2974 | 0 | error, |
2975 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2976 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2977 | 0 | "%s: invalid handle - missing descriptor file.", |
2978 | 0 | function ); |
2979 | |
|
2980 | 0 | return( -1 ); |
2981 | 0 | } |
2982 | 0 | if( ( internal_handle->descriptor_file->parent_content_identifier_set != 0 ) |
2983 | 0 | && ( internal_handle->descriptor_file->parent_content_identifier != 0xffffffffUL ) ) |
2984 | 0 | { |
2985 | 0 | if( internal_handle->parent_handle == NULL ) |
2986 | 0 | { |
2987 | 0 | libcerror_error_set( |
2988 | 0 | error, |
2989 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2990 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2991 | 0 | "%s: invalid handle - missing parent handle.", |
2992 | 0 | function ); |
2993 | |
|
2994 | 0 | return( -1 ); |
2995 | 0 | } |
2996 | 0 | } |
2997 | 0 | if( buffer == NULL ) |
2998 | 0 | { |
2999 | 0 | libcerror_error_set( |
3000 | 0 | error, |
3001 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3002 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3003 | 0 | "%s: invalid buffer.", |
3004 | 0 | function ); |
3005 | |
|
3006 | 0 | return( -1 ); |
3007 | 0 | } |
3008 | 0 | if( buffer_size > (size_t) SSIZE_MAX ) |
3009 | 0 | { |
3010 | 0 | libcerror_error_set( |
3011 | 0 | error, |
3012 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3013 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3014 | 0 | "%s: invalid element data size value exceeds maximum.", |
3015 | 0 | function ); |
3016 | |
|
3017 | 0 | return( -1 ); |
3018 | 0 | } |
3019 | 0 | internal_handle->io_handle->abort = 0; |
3020 | |
|
3021 | 0 | if( buffer_size == 0 ) |
3022 | 0 | { |
3023 | 0 | return( 0 ); |
3024 | 0 | } |
3025 | 0 | if( (size64_t) internal_handle->current_offset >= internal_handle->io_handle->media_size ) |
3026 | 0 | { |
3027 | 0 | return( 0 ); |
3028 | 0 | } |
3029 | 0 | if( internal_handle->extent_table->extent_files_stream != NULL ) |
3030 | 0 | { |
3031 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3032 | | if( libcnotify_verbose != 0 ) |
3033 | | { |
3034 | | libcnotify_printf( |
3035 | | "%s: requested offset\t\t\t\t: %" PRIi64 " (0x%08" PRIx64 ")\n", |
3036 | | function, |
3037 | | internal_handle->current_offset, |
3038 | | internal_handle->current_offset ); |
3039 | | } |
3040 | | #endif |
3041 | 0 | read_size = buffer_size; |
3042 | |
|
3043 | 0 | if( ( (size64_t) read_size > internal_handle->io_handle->media_size ) |
3044 | 0 | || ( (size64_t) internal_handle->current_offset > ( internal_handle->io_handle->media_size - read_size ) ) ) |
3045 | 0 | { |
3046 | 0 | read_size = (size_t) ( internal_handle->io_handle->media_size - internal_handle->current_offset ); |
3047 | 0 | } |
3048 | 0 | read_count = libfdata_stream_read_buffer_at_offset( |
3049 | 0 | internal_handle->extent_table->extent_files_stream, |
3050 | 0 | (intptr_t *) file_io_pool, |
3051 | 0 | (uint8_t *) buffer, |
3052 | 0 | read_size, |
3053 | 0 | internal_handle->current_offset, |
3054 | 0 | 0, |
3055 | 0 | error ); |
3056 | |
|
3057 | 0 | if( read_count != (ssize_t) read_size ) |
3058 | 0 | { |
3059 | 0 | libcerror_error_set( |
3060 | 0 | error, |
3061 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3062 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
3063 | 0 | "%s: unable to read buffer from extent files stream at offset: %" PRIi64 " (0x%" PRIx64 ").", |
3064 | 0 | function, |
3065 | 0 | internal_handle->current_offset, |
3066 | 0 | internal_handle->current_offset ); |
3067 | |
|
3068 | 0 | return( -1 ); |
3069 | 0 | } |
3070 | 0 | internal_handle->current_offset += (off64_t) read_size; |
3071 | |
|
3072 | 0 | buffer_offset = read_size; |
3073 | 0 | } |
3074 | 0 | else |
3075 | 0 | { |
3076 | 0 | grain_index = internal_handle->current_offset / internal_handle->io_handle->grain_size; |
3077 | 0 | grain_data_offset = (off64_t) ( internal_handle->current_offset % internal_handle->io_handle->grain_size ); |
3078 | |
|
3079 | 0 | while( buffer_offset < buffer_size ) |
3080 | 0 | { |
3081 | 0 | grain_is_sparse = libvmdk_grain_table_grain_is_sparse_at_offset( |
3082 | 0 | internal_handle->grain_table, |
3083 | 0 | grain_index, |
3084 | 0 | file_io_pool, |
3085 | 0 | internal_handle->extent_table, |
3086 | 0 | internal_handle->current_offset, |
3087 | 0 | error ); |
3088 | |
|
3089 | 0 | if( grain_is_sparse == -1 ) |
3090 | 0 | { |
3091 | 0 | libcerror_error_set( |
3092 | 0 | error, |
3093 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3094 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3095 | 0 | "%s: unable to determine if the grain: %" PRIu64 " is sparse.", |
3096 | 0 | function, |
3097 | 0 | grain_index ); |
3098 | |
|
3099 | 0 | return( -1 ); |
3100 | 0 | } |
3101 | 0 | read_size = (size_t) ( internal_handle->io_handle->grain_size - grain_data_offset ); |
3102 | |
|
3103 | 0 | if( read_size > ( buffer_size - buffer_offset ) ) |
3104 | 0 | { |
3105 | 0 | read_size = buffer_size - buffer_offset; |
3106 | 0 | } |
3107 | 0 | if( ( (size64_t) read_size > internal_handle->io_handle->media_size ) |
3108 | 0 | || ( (size64_t) internal_handle->current_offset > ( internal_handle->io_handle->media_size - read_size ) ) ) |
3109 | 0 | { |
3110 | 0 | read_size = (size_t) ( internal_handle->io_handle->media_size - internal_handle->current_offset ); |
3111 | 0 | } |
3112 | 0 | if( grain_is_sparse != 0 ) |
3113 | 0 | { |
3114 | 0 | if( internal_handle->parent_handle == NULL ) |
3115 | 0 | { |
3116 | 0 | if( memory_set( |
3117 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
3118 | 0 | 0, |
3119 | 0 | read_size ) == NULL ) |
3120 | 0 | { |
3121 | 0 | libcerror_error_set( |
3122 | 0 | error, |
3123 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3124 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
3125 | 0 | "%s: unable to fill buffer with sparse grain.", |
3126 | 0 | function ); |
3127 | |
|
3128 | 0 | return( -1 ); |
3129 | 0 | } |
3130 | 0 | } |
3131 | 0 | else |
3132 | 0 | { |
3133 | | /* TODO do we need grain offset or current offset ? */ |
3134 | 0 | if( libvmdk_handle_seek_offset( |
3135 | 0 | internal_handle->parent_handle, |
3136 | 0 | internal_handle->current_offset, |
3137 | 0 | SEEK_SET, |
3138 | 0 | error ) == -1 ) |
3139 | 0 | { |
3140 | 0 | libcerror_error_set( |
3141 | 0 | error, |
3142 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3143 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
3144 | 0 | "%s: unable to seek grain offset: %" PRIi64 " (0x%08" PRIx64 ") in parent.", |
3145 | 0 | function, |
3146 | 0 | internal_handle->current_offset, |
3147 | 0 | internal_handle->current_offset ); |
3148 | |
|
3149 | 0 | return( -1 ); |
3150 | 0 | } |
3151 | 0 | read_count = libvmdk_handle_read_buffer( |
3152 | 0 | internal_handle->parent_handle, |
3153 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
3154 | 0 | read_size, |
3155 | 0 | error ); |
3156 | |
|
3157 | 0 | if( read_count != (ssize_t) read_size ) |
3158 | 0 | { |
3159 | 0 | libcerror_error_set( |
3160 | 0 | error, |
3161 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3162 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
3163 | 0 | "%s: unable to read grain data from parent.", |
3164 | 0 | function ); |
3165 | |
|
3166 | 0 | return( -1 ); |
3167 | 0 | } |
3168 | 0 | } |
3169 | 0 | } |
3170 | 0 | else |
3171 | 0 | { |
3172 | 0 | if( libvmdk_grain_table_get_grain_data_at_offset( |
3173 | 0 | internal_handle->grain_table, |
3174 | 0 | grain_index, |
3175 | 0 | file_io_pool, |
3176 | 0 | internal_handle->extent_table, |
3177 | 0 | internal_handle->grains_cache, |
3178 | 0 | internal_handle->current_offset, |
3179 | 0 | &grain_data, |
3180 | 0 | &grain_data_offset, |
3181 | 0 | error ) != 1 ) |
3182 | 0 | { |
3183 | 0 | libcerror_error_set( |
3184 | 0 | error, |
3185 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3186 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3187 | 0 | "%s: unable to retrieve grain: %d data.", |
3188 | 0 | function, |
3189 | 0 | grain_index ); |
3190 | |
|
3191 | 0 | return( -1 ); |
3192 | 0 | } |
3193 | 0 | if( grain_data == NULL ) |
3194 | 0 | { |
3195 | 0 | libcerror_error_set( |
3196 | 0 | error, |
3197 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3198 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3199 | 0 | "%s: missing grain: %d data.", |
3200 | 0 | function, |
3201 | 0 | grain_index ); |
3202 | |
|
3203 | 0 | return( -1 ); |
3204 | 0 | } |
3205 | 0 | if( (size64_t) grain_data_offset > grain_data->data_size ) |
3206 | 0 | { |
3207 | 0 | libcerror_error_set( |
3208 | 0 | error, |
3209 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3210 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3211 | 0 | "%s: grain data offset value out of bounds.", |
3212 | 0 | function ); |
3213 | |
|
3214 | 0 | return( -1 ); |
3215 | 0 | } |
3216 | 0 | if( read_size > (size_t) ( grain_data->data_size - grain_data_offset ) ) |
3217 | 0 | { |
3218 | 0 | libcerror_error_set( |
3219 | 0 | error, |
3220 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3221 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3222 | 0 | "%s: read size value out of bounds.", |
3223 | 0 | function ); |
3224 | |
|
3225 | 0 | return( -1 ); |
3226 | 0 | } |
3227 | 0 | if( memory_copy( |
3228 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
3229 | 0 | &( ( grain_data->data )[ grain_data_offset ] ), |
3230 | 0 | read_size ) == NULL ) |
3231 | 0 | { |
3232 | 0 | libcerror_error_set( |
3233 | 0 | error, |
3234 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3235 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
3236 | 0 | "%s: unable to copy grain data to buffer.", |
3237 | 0 | function ); |
3238 | |
|
3239 | 0 | return( -1 ); |
3240 | 0 | } |
3241 | 0 | } |
3242 | 0 | buffer_offset += read_size; |
3243 | 0 | grain_index += 1; |
3244 | 0 | grain_data_offset = 0; |
3245 | |
|
3246 | 0 | internal_handle->current_offset += (off64_t) read_size; |
3247 | |
|
3248 | 0 | if( (size64_t) internal_handle->current_offset >= internal_handle->io_handle->media_size ) |
3249 | 0 | { |
3250 | 0 | break; |
3251 | 0 | } |
3252 | 0 | if( internal_handle->io_handle->abort != 0 ) |
3253 | 0 | { |
3254 | 0 | break; |
3255 | 0 | } |
3256 | 0 | } |
3257 | 0 | } |
3258 | 0 | return( (ssize_t) buffer_offset ); |
3259 | 0 | } |
3260 | | |
3261 | | /* Reads (media) data at the current offset into a buffer |
3262 | | * Returns the number of bytes read or -1 on error |
3263 | | */ |
3264 | | ssize_t libvmdk_handle_read_buffer( |
3265 | | libvmdk_handle_t *handle, |
3266 | | void *buffer, |
3267 | | size_t buffer_size, |
3268 | | libcerror_error_t **error ) |
3269 | 0 | { |
3270 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3271 | 0 | static char *function = "libvmdk_handle_read_buffer"; |
3272 | 0 | ssize_t read_count = 0; |
3273 | |
|
3274 | 0 | if( handle == NULL ) |
3275 | 0 | { |
3276 | 0 | libcerror_error_set( |
3277 | 0 | error, |
3278 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3279 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3280 | 0 | "%s: invalid handle.", |
3281 | 0 | function ); |
3282 | |
|
3283 | 0 | return( -1 ); |
3284 | 0 | } |
3285 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3286 | |
|
3287 | 0 | if( internal_handle->extent_data_file_io_pool == NULL ) |
3288 | 0 | { |
3289 | 0 | libcerror_error_set( |
3290 | 0 | error, |
3291 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3292 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3293 | 0 | "%s: invalid handle - missing extent data file IO pool.", |
3294 | 0 | function ); |
3295 | |
|
3296 | 0 | return( -1 ); |
3297 | 0 | } |
3298 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3299 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3300 | 0 | internal_handle->read_write_lock, |
3301 | 0 | error ) != 1 ) |
3302 | 0 | { |
3303 | 0 | libcerror_error_set( |
3304 | 0 | error, |
3305 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3306 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3307 | 0 | "%s: unable to grab read/write lock for writing.", |
3308 | 0 | function ); |
3309 | |
|
3310 | 0 | return( -1 ); |
3311 | 0 | } |
3312 | 0 | #endif |
3313 | 0 | read_count = libvmdk_internal_handle_read_buffer_from_file_io_pool( |
3314 | 0 | internal_handle, |
3315 | 0 | internal_handle->extent_data_file_io_pool, |
3316 | 0 | buffer, |
3317 | 0 | buffer_size, |
3318 | 0 | error ); |
3319 | |
|
3320 | 0 | if( read_count < 0 ) |
3321 | 0 | { |
3322 | 0 | libcerror_error_set( |
3323 | 0 | error, |
3324 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3325 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
3326 | 0 | "%s: unable to read buffer.", |
3327 | 0 | function ); |
3328 | |
|
3329 | 0 | read_count = -1; |
3330 | 0 | } |
3331 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3332 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3333 | 0 | internal_handle->read_write_lock, |
3334 | 0 | error ) != 1 ) |
3335 | 0 | { |
3336 | 0 | libcerror_error_set( |
3337 | 0 | error, |
3338 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3339 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3340 | 0 | "%s: unable to release read/write lock for writing.", |
3341 | 0 | function ); |
3342 | |
|
3343 | 0 | return( -1 ); |
3344 | 0 | } |
3345 | 0 | #endif |
3346 | 0 | return( read_count ); |
3347 | 0 | } |
3348 | | |
3349 | | /* Reads (media) data at a specific offset |
3350 | | * Returns the number of bytes read or -1 on error |
3351 | | */ |
3352 | | ssize_t libvmdk_handle_read_buffer_at_offset( |
3353 | | libvmdk_handle_t *handle, |
3354 | | void *buffer, |
3355 | | size_t buffer_size, |
3356 | | off64_t offset, |
3357 | | libcerror_error_t **error ) |
3358 | 0 | { |
3359 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3360 | 0 | static char *function = "libvmdk_handle_read_buffer_at_offset"; |
3361 | 0 | ssize_t read_count = 0; |
3362 | |
|
3363 | 0 | if( handle == NULL ) |
3364 | 0 | { |
3365 | 0 | libcerror_error_set( |
3366 | 0 | error, |
3367 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3368 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3369 | 0 | "%s: invalid handle.", |
3370 | 0 | function ); |
3371 | |
|
3372 | 0 | return( -1 ); |
3373 | 0 | } |
3374 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3375 | |
|
3376 | 0 | if( internal_handle->extent_data_file_io_pool == NULL ) |
3377 | 0 | { |
3378 | 0 | libcerror_error_set( |
3379 | 0 | error, |
3380 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3381 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3382 | 0 | "%s: invalid handle - missing extent data file IO pool.", |
3383 | 0 | function ); |
3384 | |
|
3385 | 0 | return( -1 ); |
3386 | 0 | } |
3387 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3388 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3389 | 0 | internal_handle->read_write_lock, |
3390 | 0 | error ) != 1 ) |
3391 | 0 | { |
3392 | 0 | libcerror_error_set( |
3393 | 0 | error, |
3394 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3395 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3396 | 0 | "%s: unable to grab read/write lock for writing.", |
3397 | 0 | function ); |
3398 | |
|
3399 | 0 | return( -1 ); |
3400 | 0 | } |
3401 | 0 | #endif |
3402 | 0 | if( libvmdk_internal_handle_seek_offset( |
3403 | 0 | internal_handle, |
3404 | 0 | offset, |
3405 | 0 | SEEK_SET, |
3406 | 0 | error ) == -1 ) |
3407 | 0 | { |
3408 | 0 | libcerror_error_set( |
3409 | 0 | error, |
3410 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3411 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
3412 | 0 | "%s: unable to seek offset.", |
3413 | 0 | function ); |
3414 | |
|
3415 | 0 | goto on_error; |
3416 | 0 | } |
3417 | 0 | read_count = libvmdk_internal_handle_read_buffer_from_file_io_pool( |
3418 | 0 | internal_handle, |
3419 | 0 | internal_handle->extent_data_file_io_pool, |
3420 | 0 | buffer, |
3421 | 0 | buffer_size, |
3422 | 0 | error ); |
3423 | |
|
3424 | 0 | if( read_count == -1 ) |
3425 | 0 | { |
3426 | 0 | libcerror_error_set( |
3427 | 0 | error, |
3428 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3429 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
3430 | 0 | "%s: unable to read buffer.", |
3431 | 0 | function ); |
3432 | |
|
3433 | 0 | goto on_error; |
3434 | 0 | } |
3435 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3436 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3437 | 0 | internal_handle->read_write_lock, |
3438 | 0 | error ) != 1 ) |
3439 | 0 | { |
3440 | 0 | libcerror_error_set( |
3441 | 0 | error, |
3442 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3443 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3444 | 0 | "%s: unable to release read/write lock for writing.", |
3445 | 0 | function ); |
3446 | |
|
3447 | 0 | return( -1 ); |
3448 | 0 | } |
3449 | 0 | #endif |
3450 | 0 | return( read_count ); |
3451 | | |
3452 | 0 | on_error: |
3453 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3454 | 0 | libcthreads_read_write_lock_release_for_write( |
3455 | 0 | internal_handle->read_write_lock, |
3456 | 0 | NULL ); |
3457 | 0 | #endif |
3458 | 0 | return( -1 ); |
3459 | 0 | } |
3460 | | |
3461 | | /* Seeks a certain offset of the (media) data |
3462 | | * This function is not multi-thread safe acquire write lock before call |
3463 | | * Returns the offset if seek is successful or -1 on error |
3464 | | */ |
3465 | | off64_t libvmdk_internal_handle_seek_offset( |
3466 | | libvmdk_internal_handle_t *internal_handle, |
3467 | | off64_t offset, |
3468 | | int whence, |
3469 | | libcerror_error_t **error ) |
3470 | 0 | { |
3471 | 0 | static char *function = "libvmdk_internal_handle_seek_offset"; |
3472 | |
|
3473 | 0 | if( internal_handle == NULL ) |
3474 | 0 | { |
3475 | 0 | libcerror_error_set( |
3476 | 0 | error, |
3477 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3478 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3479 | 0 | "%s: invalid handle.", |
3480 | 0 | function ); |
3481 | |
|
3482 | 0 | return( -1 ); |
3483 | 0 | } |
3484 | 0 | if( internal_handle->io_handle == NULL ) |
3485 | 0 | { |
3486 | 0 | libcerror_error_set( |
3487 | 0 | error, |
3488 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3489 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3490 | 0 | "%s: invalid handle - missing IO handle.", |
3491 | 0 | function ); |
3492 | |
|
3493 | 0 | return( -1 ); |
3494 | 0 | } |
3495 | 0 | if( ( whence != SEEK_CUR ) |
3496 | 0 | && ( whence != SEEK_END ) |
3497 | 0 | && ( whence != SEEK_SET ) ) |
3498 | 0 | { |
3499 | 0 | libcerror_error_set( |
3500 | 0 | error, |
3501 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3502 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3503 | 0 | "%s: unsupported whence.", |
3504 | 0 | function ); |
3505 | |
|
3506 | 0 | return( -1 ); |
3507 | 0 | } |
3508 | 0 | if( whence == SEEK_CUR ) |
3509 | 0 | { |
3510 | 0 | offset += internal_handle->current_offset; |
3511 | 0 | } |
3512 | 0 | else if( whence == SEEK_END ) |
3513 | 0 | { |
3514 | 0 | offset += (off64_t) internal_handle->io_handle->media_size; |
3515 | 0 | } |
3516 | 0 | if( offset < 0 ) |
3517 | 0 | { |
3518 | 0 | libcerror_error_set( |
3519 | 0 | error, |
3520 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3521 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
3522 | 0 | "%s: invalid offset value out of bounds.", |
3523 | 0 | function ); |
3524 | |
|
3525 | 0 | return( -1 ); |
3526 | 0 | } |
3527 | 0 | internal_handle->current_offset = offset; |
3528 | |
|
3529 | 0 | return( offset ); |
3530 | 0 | } |
3531 | | |
3532 | | /* Seeks a certain offset of the (media) data |
3533 | | * Returns the offset if seek is successful or -1 on error |
3534 | | */ |
3535 | | off64_t libvmdk_handle_seek_offset( |
3536 | | libvmdk_handle_t *handle, |
3537 | | off64_t offset, |
3538 | | int whence, |
3539 | | libcerror_error_t **error ) |
3540 | 0 | { |
3541 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3542 | 0 | static char *function = "libvmdk_handle_seek_offset"; |
3543 | |
|
3544 | 0 | if( handle == NULL ) |
3545 | 0 | { |
3546 | 0 | libcerror_error_set( |
3547 | 0 | error, |
3548 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3549 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3550 | 0 | "%s: invalid handle.", |
3551 | 0 | function ); |
3552 | |
|
3553 | 0 | return( -1 ); |
3554 | 0 | } |
3555 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3556 | |
|
3557 | 0 | if( internal_handle->extent_data_file_io_pool == NULL ) |
3558 | 0 | { |
3559 | 0 | libcerror_error_set( |
3560 | 0 | error, |
3561 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3562 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3563 | 0 | "%s: invalid handle - missing extent data file IO pool.", |
3564 | 0 | function ); |
3565 | |
|
3566 | 0 | return( -1 ); |
3567 | 0 | } |
3568 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3569 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3570 | 0 | internal_handle->read_write_lock, |
3571 | 0 | error ) != 1 ) |
3572 | 0 | { |
3573 | 0 | libcerror_error_set( |
3574 | 0 | error, |
3575 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3576 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3577 | 0 | "%s: unable to grab read/write lock for writing.", |
3578 | 0 | function ); |
3579 | |
|
3580 | 0 | return( -1 ); |
3581 | 0 | } |
3582 | 0 | #endif |
3583 | 0 | offset = libvmdk_internal_handle_seek_offset( |
3584 | 0 | internal_handle, |
3585 | 0 | offset, |
3586 | 0 | whence, |
3587 | 0 | error ); |
3588 | |
|
3589 | 0 | if( offset == -1 ) |
3590 | 0 | { |
3591 | 0 | libcerror_error_set( |
3592 | 0 | error, |
3593 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3594 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
3595 | 0 | "%s: unable to seek offset.", |
3596 | 0 | function ); |
3597 | |
|
3598 | 0 | offset = -1; |
3599 | 0 | } |
3600 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3601 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3602 | 0 | internal_handle->read_write_lock, |
3603 | 0 | error ) != 1 ) |
3604 | 0 | { |
3605 | 0 | libcerror_error_set( |
3606 | 0 | error, |
3607 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3608 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3609 | 0 | "%s: unable to release read/write lock for writing.", |
3610 | 0 | function ); |
3611 | |
|
3612 | 0 | return( -1 ); |
3613 | 0 | } |
3614 | 0 | #endif |
3615 | 0 | return( offset ); |
3616 | 0 | } |
3617 | | |
3618 | | /* Retrieves the current offset of the (media) data |
3619 | | * Returns 1 if successful or -1 on error |
3620 | | */ |
3621 | | int libvmdk_handle_get_offset( |
3622 | | libvmdk_handle_t *handle, |
3623 | | off64_t *offset, |
3624 | | libcerror_error_t **error ) |
3625 | 0 | { |
3626 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3627 | 0 | static char *function = "libvmdk_handle_get_offset"; |
3628 | |
|
3629 | 0 | if( handle == NULL ) |
3630 | 0 | { |
3631 | 0 | libcerror_error_set( |
3632 | 0 | error, |
3633 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3634 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3635 | 0 | "%s: invalid handle.", |
3636 | 0 | function ); |
3637 | |
|
3638 | 0 | return( -1 ); |
3639 | 0 | } |
3640 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3641 | |
|
3642 | 0 | if( internal_handle->io_handle == NULL ) |
3643 | 0 | { |
3644 | 0 | libcerror_error_set( |
3645 | 0 | error, |
3646 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3647 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3648 | 0 | "%s: invalid handle - missing IO handle.", |
3649 | 0 | function ); |
3650 | |
|
3651 | 0 | return( -1 ); |
3652 | 0 | } |
3653 | 0 | if( internal_handle->extent_data_file_io_pool == NULL ) |
3654 | 0 | { |
3655 | 0 | libcerror_error_set( |
3656 | 0 | error, |
3657 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3658 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3659 | 0 | "%s: invalid handle - missing extent data file IO pool.", |
3660 | 0 | function ); |
3661 | |
|
3662 | 0 | return( -1 ); |
3663 | 0 | } |
3664 | 0 | if( offset == NULL ) |
3665 | 0 | { |
3666 | 0 | libcerror_error_set( |
3667 | 0 | error, |
3668 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3669 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3670 | 0 | "%s: invalid offset.", |
3671 | 0 | function ); |
3672 | |
|
3673 | 0 | return( -1 ); |
3674 | 0 | } |
3675 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3676 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
3677 | 0 | internal_handle->read_write_lock, |
3678 | 0 | error ) != 1 ) |
3679 | 0 | { |
3680 | 0 | libcerror_error_set( |
3681 | 0 | error, |
3682 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3683 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3684 | 0 | "%s: unable to grab read/write lock for reading.", |
3685 | 0 | function ); |
3686 | |
|
3687 | 0 | return( -1 ); |
3688 | 0 | } |
3689 | 0 | #endif |
3690 | 0 | *offset = internal_handle->current_offset; |
3691 | |
|
3692 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3693 | 0 | if( libcthreads_read_write_lock_release_for_read( |
3694 | 0 | internal_handle->read_write_lock, |
3695 | 0 | error ) != 1 ) |
3696 | 0 | { |
3697 | 0 | libcerror_error_set( |
3698 | 0 | error, |
3699 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3700 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3701 | 0 | "%s: unable to release read/write lock for reading.", |
3702 | 0 | function ); |
3703 | |
|
3704 | 0 | return( -1 ); |
3705 | 0 | } |
3706 | 0 | #endif |
3707 | 0 | return( 1 ); |
3708 | 0 | } |
3709 | | |
3710 | | /* Sets the maximum number of (concurrent) open file handles |
3711 | | * Returns 1 if successful or -1 on error |
3712 | | */ |
3713 | | int libvmdk_handle_set_maximum_number_of_open_handles( |
3714 | | libvmdk_handle_t *handle, |
3715 | | int maximum_number_of_open_handles, |
3716 | | libcerror_error_t **error ) |
3717 | 0 | { |
3718 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3719 | 0 | static char *function = "libvmdk_handle_set_maximum_number_of_open_handles"; |
3720 | 0 | int result = 1; |
3721 | |
|
3722 | 0 | if( handle == NULL ) |
3723 | 0 | { |
3724 | 0 | libcerror_error_set( |
3725 | 0 | error, |
3726 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3727 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3728 | 0 | "%s: invalid handle.", |
3729 | 0 | function ); |
3730 | |
|
3731 | 0 | return( -1 ); |
3732 | 0 | } |
3733 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3734 | |
|
3735 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3736 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3737 | 0 | internal_handle->read_write_lock, |
3738 | 0 | error ) != 1 ) |
3739 | 0 | { |
3740 | 0 | libcerror_error_set( |
3741 | 0 | error, |
3742 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3743 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3744 | 0 | "%s: unable to grab read/write lock for writing.", |
3745 | 0 | function ); |
3746 | |
|
3747 | 0 | return( -1 ); |
3748 | 0 | } |
3749 | 0 | #endif |
3750 | 0 | if( internal_handle->extent_data_file_io_pool != NULL ) |
3751 | 0 | { |
3752 | 0 | if( libbfio_pool_set_maximum_number_of_open_handles( |
3753 | 0 | internal_handle->extent_data_file_io_pool, |
3754 | 0 | maximum_number_of_open_handles, |
3755 | 0 | error ) != -1 ) |
3756 | 0 | { |
3757 | 0 | libcerror_error_set( |
3758 | 0 | error, |
3759 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3760 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3761 | 0 | "%s: unable to set maximum number of open handles in extent data file IO pool.", |
3762 | 0 | function ); |
3763 | |
|
3764 | 0 | result = -1; |
3765 | 0 | } |
3766 | 0 | } |
3767 | 0 | if( result == 1 ) |
3768 | 0 | { |
3769 | 0 | internal_handle->maximum_number_of_open_handles = maximum_number_of_open_handles; |
3770 | 0 | } |
3771 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3772 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3773 | 0 | internal_handle->read_write_lock, |
3774 | 0 | error ) != 1 ) |
3775 | 0 | { |
3776 | 0 | libcerror_error_set( |
3777 | 0 | error, |
3778 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3779 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3780 | 0 | "%s: unable to release read/write lock for writing.", |
3781 | 0 | function ); |
3782 | |
|
3783 | 0 | return( -1 ); |
3784 | 0 | } |
3785 | 0 | #endif |
3786 | 0 | return( result ); |
3787 | 0 | } |
3788 | | |
3789 | | /* Sets the parent handle |
3790 | | * Returns 1 if successful or -1 on error |
3791 | | */ |
3792 | | int libvmdk_handle_set_parent_handle( |
3793 | | libvmdk_handle_t *handle, |
3794 | | libvmdk_handle_t *parent_handle, |
3795 | | libcerror_error_t **error ) |
3796 | 0 | { |
3797 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3798 | 0 | static char *function = "libvmdk_handle_set_parent_handle"; |
3799 | 0 | uint32_t content_identifier = 0; |
3800 | |
|
3801 | 0 | if( handle == NULL ) |
3802 | 0 | { |
3803 | 0 | libcerror_error_set( |
3804 | 0 | error, |
3805 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3806 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3807 | 0 | "%s: invalid handle.", |
3808 | 0 | function ); |
3809 | |
|
3810 | 0 | return( -1 ); |
3811 | 0 | } |
3812 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3813 | |
|
3814 | 0 | if( internal_handle->descriptor_file == NULL ) |
3815 | 0 | { |
3816 | 0 | libcerror_error_set( |
3817 | 0 | error, |
3818 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3819 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
3820 | 0 | "%s: invalid handle - missing descriptor file.", |
3821 | 0 | function ); |
3822 | |
|
3823 | 0 | return( -1 ); |
3824 | 0 | } |
3825 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3826 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3827 | 0 | internal_handle->read_write_lock, |
3828 | 0 | error ) != 1 ) |
3829 | 0 | { |
3830 | 0 | libcerror_error_set( |
3831 | 0 | error, |
3832 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3833 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3834 | 0 | "%s: unable to grab read/write lock for writing.", |
3835 | 0 | function ); |
3836 | |
|
3837 | 0 | return( -1 ); |
3838 | 0 | } |
3839 | 0 | #endif |
3840 | 0 | if( libvmdk_handle_get_content_identifier( |
3841 | 0 | parent_handle, |
3842 | 0 | &content_identifier, |
3843 | 0 | error ) != 1 ) |
3844 | 0 | { |
3845 | 0 | libcerror_error_set( |
3846 | 0 | error, |
3847 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3848 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3849 | 0 | "%s: unable to retrieve content identifier from parent handle.", |
3850 | 0 | function ); |
3851 | |
|
3852 | 0 | goto on_error; |
3853 | 0 | } |
3854 | 0 | if( content_identifier != internal_handle->descriptor_file->parent_content_identifier ) |
3855 | 0 | { |
3856 | 0 | libcerror_error_set( |
3857 | 0 | error, |
3858 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3859 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3860 | 0 | "%s: mismatch in content identifier.", |
3861 | 0 | function ); |
3862 | |
|
3863 | 0 | goto on_error; |
3864 | 0 | } |
3865 | 0 | internal_handle->parent_handle = parent_handle; |
3866 | |
|
3867 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3868 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3869 | 0 | internal_handle->read_write_lock, |
3870 | 0 | error ) != 1 ) |
3871 | 0 | { |
3872 | 0 | libcerror_error_set( |
3873 | 0 | error, |
3874 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3875 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3876 | 0 | "%s: unable to release read/write lock for writing.", |
3877 | 0 | function ); |
3878 | |
|
3879 | 0 | return( -1 ); |
3880 | 0 | } |
3881 | 0 | #endif |
3882 | 0 | return( 1 ); |
3883 | | |
3884 | 0 | on_error: |
3885 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3886 | 0 | libcthreads_read_write_lock_release_for_write( |
3887 | 0 | internal_handle->read_write_lock, |
3888 | 0 | NULL ); |
3889 | 0 | #endif |
3890 | 0 | return( -1 ); |
3891 | 0 | } |
3892 | | |
3893 | | /* Sets the path to the extent data files |
3894 | | * Returns 1 if successful or -1 on error |
3895 | | */ |
3896 | | int libvmdk_handle_set_extent_data_files_path( |
3897 | | libvmdk_handle_t *handle, |
3898 | | const char *path, |
3899 | | size_t path_length, |
3900 | | libcerror_error_t **error ) |
3901 | 0 | { |
3902 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
3903 | 0 | static char *function = "libvmdk_handle_set_extent_data_files_path"; |
3904 | 0 | int result = 1; |
3905 | |
|
3906 | 0 | if( handle == NULL ) |
3907 | 0 | { |
3908 | 0 | libcerror_error_set( |
3909 | 0 | error, |
3910 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3911 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3912 | 0 | "%s: invalid handle.", |
3913 | 0 | function ); |
3914 | |
|
3915 | 0 | return( -1 ); |
3916 | 0 | } |
3917 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
3918 | |
|
3919 | 0 | if( path == NULL ) |
3920 | 0 | { |
3921 | 0 | libcerror_error_set( |
3922 | 0 | error, |
3923 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3924 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3925 | 0 | "%s: invalid path.", |
3926 | 0 | function ); |
3927 | |
|
3928 | 0 | return( -1 ); |
3929 | 0 | } |
3930 | 0 | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
3931 | 0 | { |
3932 | 0 | libcerror_error_set( |
3933 | 0 | error, |
3934 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3935 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3936 | 0 | "%s: invalid path length value exceeds maximum.", |
3937 | 0 | function ); |
3938 | |
|
3939 | 0 | return( -1 ); |
3940 | 0 | } |
3941 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3942 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3943 | 0 | internal_handle->read_write_lock, |
3944 | 0 | error ) != 1 ) |
3945 | 0 | { |
3946 | 0 | libcerror_error_set( |
3947 | 0 | error, |
3948 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3949 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3950 | 0 | "%s: unable to grab read/write lock for writing.", |
3951 | 0 | function ); |
3952 | |
|
3953 | 0 | return( -1 ); |
3954 | 0 | } |
3955 | 0 | #endif |
3956 | 0 | if( libvmdk_extent_table_set_data_files_path( |
3957 | 0 | internal_handle->extent_table, |
3958 | 0 | path, |
3959 | 0 | path_length, |
3960 | 0 | error ) != 1 ) |
3961 | 0 | { |
3962 | 0 | libcerror_error_set( |
3963 | 0 | error, |
3964 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3965 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3966 | 0 | "%s: unable to set data files path in extent table.", |
3967 | 0 | function ); |
3968 | |
|
3969 | 0 | result = -1; |
3970 | 0 | } |
3971 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
3972 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3973 | 0 | internal_handle->read_write_lock, |
3974 | 0 | error ) != 1 ) |
3975 | 0 | { |
3976 | 0 | libcerror_error_set( |
3977 | 0 | error, |
3978 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3979 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3980 | 0 | "%s: unable to release read/write lock for writing.", |
3981 | 0 | function ); |
3982 | |
|
3983 | 0 | return( -1 ); |
3984 | 0 | } |
3985 | 0 | #endif |
3986 | 0 | return( result ); |
3987 | 0 | } |
3988 | | |
3989 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
3990 | | |
3991 | | /* Sets the path to the extent data files |
3992 | | * Returns 1 if successful or -1 on error |
3993 | | */ |
3994 | | int libvmdk_handle_set_extent_data_files_path_wide( |
3995 | | libvmdk_handle_t *handle, |
3996 | | const wchar_t *path, |
3997 | | size_t path_length, |
3998 | | libcerror_error_t **error ) |
3999 | | { |
4000 | | libvmdk_internal_handle_t *internal_handle = NULL; |
4001 | | static char *function = "libvmdk_handle_set_extent_data_files_path_wide"; |
4002 | | int result = 1; |
4003 | | |
4004 | | if( handle == NULL ) |
4005 | | { |
4006 | | libcerror_error_set( |
4007 | | error, |
4008 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4009 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4010 | | "%s: invalid handle.", |
4011 | | function ); |
4012 | | |
4013 | | return( -1 ); |
4014 | | } |
4015 | | internal_handle = (libvmdk_internal_handle_t *) handle; |
4016 | | |
4017 | | if( path == NULL ) |
4018 | | { |
4019 | | libcerror_error_set( |
4020 | | error, |
4021 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4022 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4023 | | "%s: invalid path.", |
4024 | | function ); |
4025 | | |
4026 | | return( -1 ); |
4027 | | } |
4028 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
4029 | | { |
4030 | | libcerror_error_set( |
4031 | | error, |
4032 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4033 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4034 | | "%s: invalid path length value exceeds maximum.", |
4035 | | function ); |
4036 | | |
4037 | | return( -1 ); |
4038 | | } |
4039 | | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4040 | | if( libcthreads_read_write_lock_grab_for_write( |
4041 | | internal_handle->read_write_lock, |
4042 | | error ) != 1 ) |
4043 | | { |
4044 | | libcerror_error_set( |
4045 | | error, |
4046 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4047 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4048 | | "%s: unable to grab read/write lock for writing.", |
4049 | | function ); |
4050 | | |
4051 | | return( -1 ); |
4052 | | } |
4053 | | #endif |
4054 | | if( libvmdk_extent_table_set_data_files_path_wide( |
4055 | | internal_handle->extent_table, |
4056 | | path, |
4057 | | path_length, |
4058 | | error ) != 1 ) |
4059 | | { |
4060 | | libcerror_error_set( |
4061 | | error, |
4062 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4063 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4064 | | "%s: unable to set data files path in extent table.", |
4065 | | function ); |
4066 | | |
4067 | | result = -1; |
4068 | | } |
4069 | | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4070 | | if( libcthreads_read_write_lock_release_for_write( |
4071 | | internal_handle->read_write_lock, |
4072 | | error ) != 1 ) |
4073 | | { |
4074 | | libcerror_error_set( |
4075 | | error, |
4076 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4077 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4078 | | "%s: unable to release read/write lock for writing.", |
4079 | | function ); |
4080 | | |
4081 | | return( -1 ); |
4082 | | } |
4083 | | #endif |
4084 | | return( result ); |
4085 | | } |
4086 | | |
4087 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
4088 | | |
4089 | | /* Retrieves the disk type |
4090 | | * Returns 1 if successful or -1 on error |
4091 | | */ |
4092 | | int libvmdk_handle_get_disk_type( |
4093 | | libvmdk_handle_t *handle, |
4094 | | int *disk_type, |
4095 | | libcerror_error_t **error ) |
4096 | 0 | { |
4097 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4098 | 0 | static char *function = "libvmdk_handle_get_disk_type"; |
4099 | |
|
4100 | 0 | if( handle == NULL ) |
4101 | 0 | { |
4102 | 0 | libcerror_error_set( |
4103 | 0 | error, |
4104 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4105 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4106 | 0 | "%s: invalid handle.", |
4107 | 0 | function ); |
4108 | |
|
4109 | 0 | return( -1 ); |
4110 | 0 | } |
4111 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4112 | |
|
4113 | 0 | if( internal_handle->descriptor_file == NULL ) |
4114 | 0 | { |
4115 | 0 | libcerror_error_set( |
4116 | 0 | error, |
4117 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4118 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4119 | 0 | "%s: invalid handle - missing descriptor file.", |
4120 | 0 | function ); |
4121 | |
|
4122 | 0 | return( -1 ); |
4123 | 0 | } |
4124 | 0 | if( disk_type == NULL ) |
4125 | 0 | { |
4126 | 0 | libcerror_error_set( |
4127 | 0 | error, |
4128 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4129 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4130 | 0 | "%s: invalid disk type.", |
4131 | 0 | function ); |
4132 | |
|
4133 | 0 | return( -1 ); |
4134 | 0 | } |
4135 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4136 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4137 | 0 | internal_handle->read_write_lock, |
4138 | 0 | error ) != 1 ) |
4139 | 0 | { |
4140 | 0 | libcerror_error_set( |
4141 | 0 | error, |
4142 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4143 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4144 | 0 | "%s: unable to grab read/write lock for reading.", |
4145 | 0 | function ); |
4146 | |
|
4147 | 0 | return( -1 ); |
4148 | 0 | } |
4149 | 0 | #endif |
4150 | 0 | *disk_type = internal_handle->disk_type; |
4151 | |
|
4152 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4153 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4154 | 0 | internal_handle->read_write_lock, |
4155 | 0 | error ) != 1 ) |
4156 | 0 | { |
4157 | 0 | libcerror_error_set( |
4158 | 0 | error, |
4159 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4160 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4161 | 0 | "%s: unable to release read/write lock for reading.", |
4162 | 0 | function ); |
4163 | |
|
4164 | 0 | return( -1 ); |
4165 | 0 | } |
4166 | 0 | #endif |
4167 | 0 | return( 1 ); |
4168 | 0 | } |
4169 | | |
4170 | | /* Retrieves the media size |
4171 | | * Returns 1 if successful or -1 on error |
4172 | | */ |
4173 | | int libvmdk_handle_get_media_size( |
4174 | | libvmdk_handle_t *handle, |
4175 | | size64_t *media_size, |
4176 | | libcerror_error_t **error ) |
4177 | 0 | { |
4178 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4179 | 0 | static char *function = "libvmdk_handle_get_media_size"; |
4180 | |
|
4181 | 0 | if( handle == NULL ) |
4182 | 0 | { |
4183 | 0 | libcerror_error_set( |
4184 | 0 | error, |
4185 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4186 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4187 | 0 | "%s: invalid handle.", |
4188 | 0 | function ); |
4189 | |
|
4190 | 0 | return( -1 ); |
4191 | 0 | } |
4192 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4193 | |
|
4194 | 0 | if( internal_handle->descriptor_file == NULL ) |
4195 | 0 | { |
4196 | 0 | libcerror_error_set( |
4197 | 0 | error, |
4198 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4199 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4200 | 0 | "%s: invalid handle - missing descriptor file.", |
4201 | 0 | function ); |
4202 | |
|
4203 | 0 | return( -1 ); |
4204 | 0 | } |
4205 | 0 | if( media_size == NULL ) |
4206 | 0 | { |
4207 | 0 | libcerror_error_set( |
4208 | 0 | error, |
4209 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4210 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4211 | 0 | "%s: invalid media size.", |
4212 | 0 | function ); |
4213 | |
|
4214 | 0 | return( -1 ); |
4215 | 0 | } |
4216 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4217 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4218 | 0 | internal_handle->read_write_lock, |
4219 | 0 | error ) != 1 ) |
4220 | 0 | { |
4221 | 0 | libcerror_error_set( |
4222 | 0 | error, |
4223 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4224 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4225 | 0 | "%s: unable to grab read/write lock for reading.", |
4226 | 0 | function ); |
4227 | |
|
4228 | 0 | return( -1 ); |
4229 | 0 | } |
4230 | 0 | #endif |
4231 | 0 | *media_size = internal_handle->descriptor_file->media_size; |
4232 | |
|
4233 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4234 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4235 | 0 | internal_handle->read_write_lock, |
4236 | 0 | error ) != 1 ) |
4237 | 0 | { |
4238 | 0 | libcerror_error_set( |
4239 | 0 | error, |
4240 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4241 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4242 | 0 | "%s: unable to release read/write lock for reading.", |
4243 | 0 | function ); |
4244 | |
|
4245 | 0 | return( -1 ); |
4246 | 0 | } |
4247 | 0 | #endif |
4248 | 0 | return( 1 ); |
4249 | 0 | } |
4250 | | |
4251 | | /* Retrieves the content identifier |
4252 | | * Returns 1 if successful or -1 on error |
4253 | | */ |
4254 | | int libvmdk_handle_get_content_identifier( |
4255 | | libvmdk_handle_t *handle, |
4256 | | uint32_t *content_identifier, |
4257 | | libcerror_error_t **error ) |
4258 | 0 | { |
4259 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4260 | 0 | static char *function = "libvmdk_handle_get_content_identifier"; |
4261 | |
|
4262 | 0 | if( handle == NULL ) |
4263 | 0 | { |
4264 | 0 | libcerror_error_set( |
4265 | 0 | error, |
4266 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4267 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4268 | 0 | "%s: invalid handle.", |
4269 | 0 | function ); |
4270 | |
|
4271 | 0 | return( -1 ); |
4272 | 0 | } |
4273 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4274 | |
|
4275 | 0 | if( internal_handle->descriptor_file == NULL ) |
4276 | 0 | { |
4277 | 0 | libcerror_error_set( |
4278 | 0 | error, |
4279 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4280 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4281 | 0 | "%s: invalid handle - missing descriptor file.", |
4282 | 0 | function ); |
4283 | |
|
4284 | 0 | return( -1 ); |
4285 | 0 | } |
4286 | 0 | if( content_identifier == NULL ) |
4287 | 0 | { |
4288 | 0 | libcerror_error_set( |
4289 | 0 | error, |
4290 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4291 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4292 | 0 | "%s: invalid content identifier.", |
4293 | 0 | function ); |
4294 | |
|
4295 | 0 | return( -1 ); |
4296 | 0 | } |
4297 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4298 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4299 | 0 | internal_handle->read_write_lock, |
4300 | 0 | error ) != 1 ) |
4301 | 0 | { |
4302 | 0 | libcerror_error_set( |
4303 | 0 | error, |
4304 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4305 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4306 | 0 | "%s: unable to grab read/write lock for reading.", |
4307 | 0 | function ); |
4308 | |
|
4309 | 0 | return( -1 ); |
4310 | 0 | } |
4311 | 0 | #endif |
4312 | 0 | *content_identifier = internal_handle->descriptor_file->content_identifier; |
4313 | |
|
4314 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4315 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4316 | 0 | internal_handle->read_write_lock, |
4317 | 0 | error ) != 1 ) |
4318 | 0 | { |
4319 | 0 | libcerror_error_set( |
4320 | 0 | error, |
4321 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4322 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4323 | 0 | "%s: unable to release read/write lock for reading.", |
4324 | 0 | function ); |
4325 | |
|
4326 | 0 | return( -1 ); |
4327 | 0 | } |
4328 | 0 | #endif |
4329 | 0 | return( 1 ); |
4330 | 0 | } |
4331 | | |
4332 | | /* Retrieves the parent content identifier |
4333 | | * Returns 1 if successful, 0 if not available or -1 on error |
4334 | | */ |
4335 | | int libvmdk_handle_get_parent_content_identifier( |
4336 | | libvmdk_handle_t *handle, |
4337 | | uint32_t *parent_content_identifier, |
4338 | | libcerror_error_t **error ) |
4339 | 0 | { |
4340 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4341 | 0 | static char *function = "libvmdk_handle_get_parent_content_identifier"; |
4342 | 0 | int result = 0; |
4343 | |
|
4344 | 0 | if( handle == NULL ) |
4345 | 0 | { |
4346 | 0 | libcerror_error_set( |
4347 | 0 | error, |
4348 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4349 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4350 | 0 | "%s: invalid handle.", |
4351 | 0 | function ); |
4352 | |
|
4353 | 0 | return( -1 ); |
4354 | 0 | } |
4355 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4356 | |
|
4357 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4358 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4359 | 0 | internal_handle->read_write_lock, |
4360 | 0 | error ) != 1 ) |
4361 | 0 | { |
4362 | 0 | libcerror_error_set( |
4363 | 0 | error, |
4364 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4365 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4366 | 0 | "%s: unable to grab read/write lock for reading.", |
4367 | 0 | function ); |
4368 | |
|
4369 | 0 | return( -1 ); |
4370 | 0 | } |
4371 | 0 | #endif |
4372 | 0 | result = libvmdk_descriptor_file_get_parent_content_identifier( |
4373 | 0 | internal_handle->descriptor_file, |
4374 | 0 | parent_content_identifier, |
4375 | 0 | error ); |
4376 | |
|
4377 | 0 | if( result == -1 ) |
4378 | 0 | { |
4379 | 0 | libcerror_error_set( |
4380 | 0 | error, |
4381 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4382 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4383 | 0 | "%s: unable to retrieve parent content identifier.", |
4384 | 0 | function ); |
4385 | |
|
4386 | 0 | result = -1; |
4387 | 0 | } |
4388 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4389 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4390 | 0 | internal_handle->read_write_lock, |
4391 | 0 | error ) != 1 ) |
4392 | 0 | { |
4393 | 0 | libcerror_error_set( |
4394 | 0 | error, |
4395 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4396 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4397 | 0 | "%s: unable to release read/write lock for reading.", |
4398 | 0 | function ); |
4399 | |
|
4400 | 0 | return( -1 ); |
4401 | 0 | } |
4402 | 0 | #endif |
4403 | 0 | return( result ); |
4404 | 0 | } |
4405 | | |
4406 | | /* Retrieves the size of the UTF-8 encoded parent filename |
4407 | | * The returned size includes the end of string character |
4408 | | * Returns 1 if successful, 0 if not available or -1 on error |
4409 | | */ |
4410 | | int libvmdk_handle_get_utf8_parent_filename_size( |
4411 | | libvmdk_handle_t *handle, |
4412 | | size_t *utf8_string_size, |
4413 | | libcerror_error_t **error ) |
4414 | 0 | { |
4415 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4416 | 0 | static char *function = "libvmdk_handle_get_utf8_parent_filename_size"; |
4417 | 0 | int result = 0; |
4418 | |
|
4419 | 0 | if( handle == NULL ) |
4420 | 0 | { |
4421 | 0 | libcerror_error_set( |
4422 | 0 | error, |
4423 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4424 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4425 | 0 | "%s: invalid handle.", |
4426 | 0 | function ); |
4427 | |
|
4428 | 0 | return( -1 ); |
4429 | 0 | } |
4430 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4431 | |
|
4432 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4433 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4434 | 0 | internal_handle->read_write_lock, |
4435 | 0 | error ) != 1 ) |
4436 | 0 | { |
4437 | 0 | libcerror_error_set( |
4438 | 0 | error, |
4439 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4440 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4441 | 0 | "%s: unable to grab read/write lock for reading.", |
4442 | 0 | function ); |
4443 | |
|
4444 | 0 | return( -1 ); |
4445 | 0 | } |
4446 | 0 | #endif |
4447 | 0 | result = libvmdk_descriptor_file_get_utf8_parent_filename_size( |
4448 | 0 | internal_handle->descriptor_file, |
4449 | 0 | utf8_string_size, |
4450 | 0 | error ); |
4451 | |
|
4452 | 0 | if( result == -1 ) |
4453 | 0 | { |
4454 | 0 | libcerror_error_set( |
4455 | 0 | error, |
4456 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4457 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4458 | 0 | "%s: unable to retrieve UTF-8 parent filename size.", |
4459 | 0 | function ); |
4460 | |
|
4461 | 0 | result = -1; |
4462 | 0 | } |
4463 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4464 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4465 | 0 | internal_handle->read_write_lock, |
4466 | 0 | error ) != 1 ) |
4467 | 0 | { |
4468 | 0 | libcerror_error_set( |
4469 | 0 | error, |
4470 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4471 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4472 | 0 | "%s: unable to release read/write lock for reading.", |
4473 | 0 | function ); |
4474 | |
|
4475 | 0 | return( -1 ); |
4476 | 0 | } |
4477 | 0 | #endif |
4478 | 0 | return( result ); |
4479 | 0 | } |
4480 | | |
4481 | | /* Retrieves the UTF-8 encoded parent filename |
4482 | | * The size should include the end of string character |
4483 | | * Returns 1 if successful, 0 if not available or -1 on error |
4484 | | */ |
4485 | | int libvmdk_handle_get_utf8_parent_filename( |
4486 | | libvmdk_handle_t *handle, |
4487 | | uint8_t *utf8_string, |
4488 | | size_t utf8_string_size, |
4489 | | libcerror_error_t **error ) |
4490 | 0 | { |
4491 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4492 | 0 | static char *function = "libvmdk_handle_get_utf8_parent_filename"; |
4493 | 0 | int result = 0; |
4494 | |
|
4495 | 0 | if( handle == NULL ) |
4496 | 0 | { |
4497 | 0 | libcerror_error_set( |
4498 | 0 | error, |
4499 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4500 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4501 | 0 | "%s: invalid handle.", |
4502 | 0 | function ); |
4503 | |
|
4504 | 0 | return( -1 ); |
4505 | 0 | } |
4506 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4507 | |
|
4508 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4509 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4510 | 0 | internal_handle->read_write_lock, |
4511 | 0 | error ) != 1 ) |
4512 | 0 | { |
4513 | 0 | libcerror_error_set( |
4514 | 0 | error, |
4515 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4516 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4517 | 0 | "%s: unable to grab read/write lock for reading.", |
4518 | 0 | function ); |
4519 | |
|
4520 | 0 | return( -1 ); |
4521 | 0 | } |
4522 | 0 | #endif |
4523 | 0 | result = libvmdk_descriptor_file_get_utf8_parent_filename( |
4524 | 0 | internal_handle->descriptor_file, |
4525 | 0 | utf8_string, |
4526 | 0 | utf8_string_size, |
4527 | 0 | error ); |
4528 | |
|
4529 | 0 | if( result == -1 ) |
4530 | 0 | { |
4531 | 0 | libcerror_error_set( |
4532 | 0 | error, |
4533 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4534 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4535 | 0 | "%s: unable to retrieve UTF-8 parent filename.", |
4536 | 0 | function ); |
4537 | |
|
4538 | 0 | result = -1; |
4539 | 0 | } |
4540 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4541 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4542 | 0 | internal_handle->read_write_lock, |
4543 | 0 | error ) != 1 ) |
4544 | 0 | { |
4545 | 0 | libcerror_error_set( |
4546 | 0 | error, |
4547 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4548 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4549 | 0 | "%s: unable to release read/write lock for reading.", |
4550 | 0 | function ); |
4551 | |
|
4552 | 0 | return( -1 ); |
4553 | 0 | } |
4554 | 0 | #endif |
4555 | 0 | return( result ); |
4556 | 0 | } |
4557 | | |
4558 | | /* Retrieves the size of the UTF-16 encoded parent filename |
4559 | | * The returned size includes the end of string character |
4560 | | * Returns 1 if successful, 0 if not available or -1 on error |
4561 | | */ |
4562 | | int libvmdk_handle_get_utf16_parent_filename_size( |
4563 | | libvmdk_handle_t *handle, |
4564 | | size_t *utf16_string_size, |
4565 | | libcerror_error_t **error ) |
4566 | 0 | { |
4567 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4568 | 0 | static char *function = "libvmdk_handle_get_utf16_parent_filename_size"; |
4569 | 0 | int result = 0; |
4570 | |
|
4571 | 0 | if( handle == NULL ) |
4572 | 0 | { |
4573 | 0 | libcerror_error_set( |
4574 | 0 | error, |
4575 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4576 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4577 | 0 | "%s: invalid handle.", |
4578 | 0 | function ); |
4579 | |
|
4580 | 0 | return( -1 ); |
4581 | 0 | } |
4582 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4583 | |
|
4584 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4585 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4586 | 0 | internal_handle->read_write_lock, |
4587 | 0 | error ) != 1 ) |
4588 | 0 | { |
4589 | 0 | libcerror_error_set( |
4590 | 0 | error, |
4591 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4592 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4593 | 0 | "%s: unable to grab read/write lock for reading.", |
4594 | 0 | function ); |
4595 | |
|
4596 | 0 | return( -1 ); |
4597 | 0 | } |
4598 | 0 | #endif |
4599 | 0 | result = libvmdk_descriptor_file_get_utf16_parent_filename_size( |
4600 | 0 | internal_handle->descriptor_file, |
4601 | 0 | utf16_string_size, |
4602 | 0 | error ); |
4603 | |
|
4604 | 0 | if( result == -1 ) |
4605 | 0 | { |
4606 | 0 | libcerror_error_set( |
4607 | 0 | error, |
4608 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4609 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4610 | 0 | "%s: unable to retrieve UTF-16 parent filename size.", |
4611 | 0 | function ); |
4612 | |
|
4613 | 0 | result = -1; |
4614 | 0 | } |
4615 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4616 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4617 | 0 | internal_handle->read_write_lock, |
4618 | 0 | error ) != 1 ) |
4619 | 0 | { |
4620 | 0 | libcerror_error_set( |
4621 | 0 | error, |
4622 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4623 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4624 | 0 | "%s: unable to release read/write lock for reading.", |
4625 | 0 | function ); |
4626 | |
|
4627 | 0 | return( -1 ); |
4628 | 0 | } |
4629 | 0 | #endif |
4630 | 0 | return( result ); |
4631 | 0 | } |
4632 | | |
4633 | | /* Retrieves the UTF-16 encoded parent filename |
4634 | | * The size should include the end of string character |
4635 | | * Returns 1 if successful, 0 if not available or -1 on error |
4636 | | */ |
4637 | | int libvmdk_handle_get_utf16_parent_filename( |
4638 | | libvmdk_handle_t *handle, |
4639 | | uint16_t *utf16_string, |
4640 | | size_t utf16_string_size, |
4641 | | libcerror_error_t **error ) |
4642 | 0 | { |
4643 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4644 | 0 | static char *function = "libvmdk_handle_get_utf16_parent_filename"; |
4645 | 0 | int result = 0; |
4646 | |
|
4647 | 0 | if( handle == NULL ) |
4648 | 0 | { |
4649 | 0 | libcerror_error_set( |
4650 | 0 | error, |
4651 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4652 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4653 | 0 | "%s: invalid handle.", |
4654 | 0 | function ); |
4655 | |
|
4656 | 0 | return( -1 ); |
4657 | 0 | } |
4658 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4659 | |
|
4660 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4661 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4662 | 0 | internal_handle->read_write_lock, |
4663 | 0 | error ) != 1 ) |
4664 | 0 | { |
4665 | 0 | libcerror_error_set( |
4666 | 0 | error, |
4667 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4668 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4669 | 0 | "%s: unable to grab read/write lock for reading.", |
4670 | 0 | function ); |
4671 | |
|
4672 | 0 | return( -1 ); |
4673 | 0 | } |
4674 | 0 | #endif |
4675 | 0 | result = libvmdk_descriptor_file_get_utf16_parent_filename( |
4676 | 0 | internal_handle->descriptor_file, |
4677 | 0 | utf16_string, |
4678 | 0 | utf16_string_size, |
4679 | 0 | error ); |
4680 | |
|
4681 | 0 | if( result == -1 ) |
4682 | 0 | { |
4683 | 0 | libcerror_error_set( |
4684 | 0 | error, |
4685 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4686 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4687 | 0 | "%s: unable to retrieve UTF-16 parent filename.", |
4688 | 0 | function ); |
4689 | |
|
4690 | 0 | result = -1; |
4691 | 0 | } |
4692 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4693 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4694 | 0 | internal_handle->read_write_lock, |
4695 | 0 | error ) != 1 ) |
4696 | 0 | { |
4697 | 0 | libcerror_error_set( |
4698 | 0 | error, |
4699 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4700 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4701 | 0 | "%s: unable to release read/write lock for reading.", |
4702 | 0 | function ); |
4703 | |
|
4704 | 0 | return( -1 ); |
4705 | 0 | } |
4706 | 0 | #endif |
4707 | 0 | return( result ); |
4708 | 0 | } |
4709 | | |
4710 | | /* Retrieves the number of extents |
4711 | | * Returns 1 if successful or -1 on error |
4712 | | */ |
4713 | | int libvmdk_handle_get_number_of_extents( |
4714 | | libvmdk_handle_t *handle, |
4715 | | int *number_of_extents, |
4716 | | libcerror_error_t **error ) |
4717 | 0 | { |
4718 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4719 | 0 | static char *function = "libvmdk_handle_get_number_of_extents"; |
4720 | 0 | int result = 1; |
4721 | |
|
4722 | 0 | if( handle == NULL ) |
4723 | 0 | { |
4724 | 0 | libcerror_error_set( |
4725 | 0 | error, |
4726 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4727 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4728 | 0 | "%s: invalid handle.", |
4729 | 0 | function ); |
4730 | |
|
4731 | 0 | return( -1 ); |
4732 | 0 | } |
4733 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4734 | |
|
4735 | 0 | if( internal_handle->descriptor_file == NULL ) |
4736 | 0 | { |
4737 | 0 | libcerror_error_set( |
4738 | 0 | error, |
4739 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4740 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4741 | 0 | "%s: invalid handle - missing descriptor file.", |
4742 | 0 | function ); |
4743 | |
|
4744 | 0 | return( -1 ); |
4745 | 0 | } |
4746 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4747 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4748 | 0 | internal_handle->read_write_lock, |
4749 | 0 | error ) != 1 ) |
4750 | 0 | { |
4751 | 0 | libcerror_error_set( |
4752 | 0 | error, |
4753 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4754 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4755 | 0 | "%s: unable to grab read/write lock for reading.", |
4756 | 0 | function ); |
4757 | |
|
4758 | 0 | return( -1 ); |
4759 | 0 | } |
4760 | 0 | #endif |
4761 | 0 | if( libcdata_array_get_number_of_entries( |
4762 | 0 | internal_handle->extent_values_array, |
4763 | 0 | number_of_extents, |
4764 | 0 | error ) != 1 ) |
4765 | 0 | { |
4766 | 0 | libcerror_error_set( |
4767 | 0 | error, |
4768 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4769 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4770 | 0 | "%s: unable to retrieve number of extents.", |
4771 | 0 | function ); |
4772 | |
|
4773 | 0 | result = -1; |
4774 | 0 | } |
4775 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4776 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4777 | 0 | internal_handle->read_write_lock, |
4778 | 0 | error ) != 1 ) |
4779 | 0 | { |
4780 | 0 | libcerror_error_set( |
4781 | 0 | error, |
4782 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4783 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4784 | 0 | "%s: unable to release read/write lock for reading.", |
4785 | 0 | function ); |
4786 | |
|
4787 | 0 | return( -1 ); |
4788 | 0 | } |
4789 | 0 | #endif |
4790 | 0 | return( result ); |
4791 | 0 | } |
4792 | | |
4793 | | /* Retrieves a specific extent descriptor |
4794 | | * Returns 1 if successful or -1 on error |
4795 | | */ |
4796 | | int libvmdk_handle_get_extent_descriptor( |
4797 | | libvmdk_handle_t *handle, |
4798 | | int extent_index, |
4799 | | libvmdk_extent_descriptor_t **extent_descriptor, |
4800 | | libcerror_error_t **error ) |
4801 | 0 | { |
4802 | 0 | libvmdk_extent_values_t *extent_values = NULL; |
4803 | 0 | libvmdk_internal_handle_t *internal_handle = NULL; |
4804 | 0 | static char *function = "libvmdk_handle_get_extent_descriptor"; |
4805 | 0 | int result = 1; |
4806 | |
|
4807 | 0 | if( handle == NULL ) |
4808 | 0 | { |
4809 | 0 | libcerror_error_set( |
4810 | 0 | error, |
4811 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4812 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4813 | 0 | "%s: invalid handle.", |
4814 | 0 | function ); |
4815 | |
|
4816 | 0 | return( -1 ); |
4817 | 0 | } |
4818 | 0 | internal_handle = (libvmdk_internal_handle_t *) handle; |
4819 | |
|
4820 | 0 | if( internal_handle->descriptor_file == NULL ) |
4821 | 0 | { |
4822 | 0 | libcerror_error_set( |
4823 | 0 | error, |
4824 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4825 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4826 | 0 | "%s: invalid handle - missing descriptor file.", |
4827 | 0 | function ); |
4828 | |
|
4829 | 0 | return( -1 ); |
4830 | 0 | } |
4831 | 0 | if( extent_descriptor == NULL ) |
4832 | 0 | { |
4833 | 0 | libcerror_error_set( |
4834 | 0 | error, |
4835 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4836 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4837 | 0 | "%s: invalid extent descriptor.", |
4838 | 0 | function ); |
4839 | |
|
4840 | 0 | return( -1 ); |
4841 | 0 | } |
4842 | 0 | if( *extent_descriptor != NULL ) |
4843 | 0 | { |
4844 | 0 | libcerror_error_set( |
4845 | 0 | error, |
4846 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4847 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
4848 | 0 | "%s: invalid extent descriptor value already set.", |
4849 | 0 | function ); |
4850 | |
|
4851 | 0 | return( -1 ); |
4852 | 0 | } |
4853 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4854 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
4855 | 0 | internal_handle->read_write_lock, |
4856 | 0 | error ) != 1 ) |
4857 | 0 | { |
4858 | 0 | libcerror_error_set( |
4859 | 0 | error, |
4860 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4861 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4862 | 0 | "%s: unable to grab read/write lock for reading.", |
4863 | 0 | function ); |
4864 | |
|
4865 | 0 | return( -1 ); |
4866 | 0 | } |
4867 | 0 | #endif |
4868 | 0 | if( libcdata_array_get_entry_by_index( |
4869 | 0 | internal_handle->extent_values_array, |
4870 | 0 | extent_index, |
4871 | 0 | (intptr_t **) &extent_values, |
4872 | 0 | error ) != 1 ) |
4873 | 0 | { |
4874 | 0 | libcerror_error_set( |
4875 | 0 | error, |
4876 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4877 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4878 | 0 | "%s: unable to retrieve extent: %d from array.", |
4879 | 0 | function, |
4880 | 0 | extent_index ); |
4881 | |
|
4882 | 0 | result = -1; |
4883 | 0 | } |
4884 | 0 | else if( libvmdk_extent_descriptor_initialize( |
4885 | 0 | extent_descriptor, |
4886 | 0 | extent_values, |
4887 | 0 | error ) != 1 ) |
4888 | 0 | { |
4889 | 0 | libcerror_error_set( |
4890 | 0 | error, |
4891 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4892 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
4893 | 0 | "%s: unable to create extent descriptor.", |
4894 | 0 | function ); |
4895 | |
|
4896 | 0 | result = -1; |
4897 | 0 | } |
4898 | 0 | #if defined( HAVE_LIBVMDK_MULTI_THREAD_SUPPORT ) |
4899 | 0 | if( libcthreads_read_write_lock_release_for_read( |
4900 | 0 | internal_handle->read_write_lock, |
4901 | 0 | error ) != 1 ) |
4902 | 0 | { |
4903 | 0 | libcerror_error_set( |
4904 | 0 | error, |
4905 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4906 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4907 | 0 | "%s: unable to release read/write lock for reading.", |
4908 | 0 | function ); |
4909 | |
|
4910 | 0 | return( -1 ); |
4911 | 0 | } |
4912 | 0 | #endif |
4913 | 0 | return( result ); |
4914 | 0 | } |
4915 | | |