/src/libfvde/libfvde/libfvde_logical_volume.c
Line | Count | Source |
1 | | /* |
2 | | * Logical volume functions |
3 | | * |
4 | | * Copyright (C) 2011-2026, Omar Choudary <choudary.omar@gmail.com>, |
5 | | * Joachim Metz <joachim.metz@gmail.com> |
6 | | * |
7 | | * Refer to AUTHORS for acknowledgements. |
8 | | * |
9 | | * This program is free software: you can redistribute it and/or modify |
10 | | * it under the terms of the GNU Lesser General Public License as published by |
11 | | * the Free Software Foundation, either version 3 of the License, or |
12 | | * (at your option) any later version. |
13 | | * |
14 | | * This program is distributed in the hope that it will be useful, |
15 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | | * GNU General Public License for more details. |
18 | | * |
19 | | * You should have received a copy of the GNU Lesser General Public License |
20 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
21 | | */ |
22 | | |
23 | | #include <common.h> |
24 | | #include <memory.h> |
25 | | #include <types.h> |
26 | | |
27 | | #include "libfvde_definitions.h" |
28 | | #include "libfvde_encrypted_metadata.h" |
29 | | #include "libfvde_encryption_context.h" |
30 | | #include "libfvde_encryption_context_plist.h" |
31 | | #include "libfvde_io_handle.h" |
32 | | #include "libfvde_libbfio.h" |
33 | | #include "libfvde_libcerror.h" |
34 | | #include "libfvde_libcnotify.h" |
35 | | #include "libfvde_libcthreads.h" |
36 | | #include "libfvde_libhmac.h" |
37 | | #include "libfvde_libuna.h" |
38 | | #include "libfvde_logical_volume.h" |
39 | | #include "libfvde_logical_volume_descriptor.h" |
40 | | #include "libfvde_password.h" |
41 | | #include "libfvde_sector_data.h" |
42 | | #include "libfvde_segment_descriptor.h" |
43 | | #include "libfvde_types.h" |
44 | | #include "libfvde_volume_data_handle.h" |
45 | | |
46 | | /* Creates a logical volume |
47 | | * Make sure the value logical_volume is referencing, is set to NULL |
48 | | * Returns 1 if successful or -1 on error |
49 | | */ |
50 | | int libfvde_logical_volume_initialize( |
51 | | libfvde_logical_volume_t **logical_volume, |
52 | | libfvde_io_handle_t *io_handle, |
53 | | libbfio_pool_t *file_io_pool, |
54 | | libfvde_logical_volume_descriptor_t *logical_volume_descriptor, |
55 | | libfvde_encrypted_metadata_t *encrypted_metadata, |
56 | | libfvde_encryption_context_plist_t *encrypted_root_plist, |
57 | | libcerror_error_t **error ) |
58 | 0 | { |
59 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
60 | 0 | static char *function = "libfvde_logical_volume_initialize"; |
61 | |
|
62 | 0 | if( logical_volume == NULL ) |
63 | 0 | { |
64 | 0 | libcerror_error_set( |
65 | 0 | error, |
66 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
67 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
68 | 0 | "%s: invalid logical volume.", |
69 | 0 | function ); |
70 | |
|
71 | 0 | return( -1 ); |
72 | 0 | } |
73 | 0 | if( *logical_volume != NULL ) |
74 | 0 | { |
75 | 0 | libcerror_error_set( |
76 | 0 | error, |
77 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
78 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
79 | 0 | "%s: invalid logical volume value already set.", |
80 | 0 | function ); |
81 | |
|
82 | 0 | return( -1 ); |
83 | 0 | } |
84 | 0 | if( io_handle == NULL ) |
85 | 0 | { |
86 | 0 | libcerror_error_set( |
87 | 0 | error, |
88 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
89 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
90 | 0 | "%s: invalid IO handle.", |
91 | 0 | function ); |
92 | |
|
93 | 0 | return( -1 ); |
94 | 0 | } |
95 | 0 | if( logical_volume_descriptor == NULL ) |
96 | 0 | { |
97 | 0 | libcerror_error_set( |
98 | 0 | error, |
99 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
100 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
101 | 0 | "%s: invalid logical volume descriptor.", |
102 | 0 | function ); |
103 | |
|
104 | 0 | return( -1 ); |
105 | 0 | } |
106 | | /* TODO check if encrypted_metadata is set */ |
107 | | /* TODO check if encrypted_root_plist is set */ |
108 | | |
109 | 0 | internal_logical_volume = memory_allocate_structure( |
110 | 0 | libfvde_internal_logical_volume_t ); |
111 | |
|
112 | 0 | if( internal_logical_volume == NULL ) |
113 | 0 | { |
114 | 0 | libcerror_error_set( |
115 | 0 | error, |
116 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
117 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
118 | 0 | "%s: unable to create logical volume.", |
119 | 0 | function ); |
120 | |
|
121 | 0 | goto on_error; |
122 | 0 | } |
123 | 0 | if( memory_set( |
124 | 0 | internal_logical_volume, |
125 | 0 | 0, |
126 | 0 | sizeof( libfvde_internal_logical_volume_t ) ) == NULL ) |
127 | 0 | { |
128 | 0 | libcerror_error_set( |
129 | 0 | error, |
130 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
131 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
132 | 0 | "%s: unable to clear logical volume.", |
133 | 0 | function ); |
134 | |
|
135 | 0 | memory_free( |
136 | 0 | internal_logical_volume ); |
137 | |
|
138 | 0 | return( -1 ); |
139 | 0 | } |
140 | 0 | if( libfvde_keyring_initialize( |
141 | 0 | &( internal_logical_volume->keyring ), |
142 | 0 | error ) != 1 ) |
143 | 0 | { |
144 | 0 | libcerror_error_set( |
145 | 0 | error, |
146 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
147 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
148 | 0 | "%s: unable to initialise keyring.", |
149 | 0 | function ); |
150 | |
|
151 | 0 | goto on_error; |
152 | 0 | } |
153 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
154 | 0 | if( libcthreads_read_write_lock_initialize( |
155 | 0 | &( internal_logical_volume->read_write_lock ), |
156 | 0 | error ) != 1 ) |
157 | 0 | { |
158 | 0 | libcerror_error_set( |
159 | 0 | error, |
160 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
161 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
162 | 0 | "%s: unable to initialize read/write lock.", |
163 | 0 | function ); |
164 | |
|
165 | 0 | goto on_error; |
166 | 0 | } |
167 | 0 | #endif |
168 | 0 | internal_logical_volume->io_handle = io_handle; |
169 | 0 | internal_logical_volume->file_io_pool = file_io_pool; |
170 | 0 | internal_logical_volume->logical_volume_descriptor = logical_volume_descriptor; |
171 | 0 | internal_logical_volume->encrypted_metadata = encrypted_metadata; |
172 | 0 | internal_logical_volume->encrypted_root_plist = encrypted_root_plist; |
173 | 0 | internal_logical_volume->is_locked = 1; |
174 | |
|
175 | 0 | *logical_volume = (libfvde_logical_volume_t *) internal_logical_volume; |
176 | |
|
177 | 0 | return( 1 ); |
178 | | |
179 | 0 | on_error: |
180 | 0 | if( internal_logical_volume != NULL ) |
181 | 0 | { |
182 | 0 | if( internal_logical_volume->keyring != NULL ) |
183 | 0 | { |
184 | 0 | libfvde_keyring_free( |
185 | 0 | &( internal_logical_volume->keyring ), |
186 | 0 | NULL ); |
187 | 0 | } |
188 | 0 | memory_free( |
189 | 0 | internal_logical_volume ); |
190 | 0 | } |
191 | 0 | return( -1 ); |
192 | 0 | } |
193 | | |
194 | | /* Frees a logical volume |
195 | | * Returns 1 if successful or -1 on error |
196 | | */ |
197 | | int libfvde_logical_volume_free( |
198 | | libfvde_logical_volume_t **logical_volume, |
199 | | libcerror_error_t **error ) |
200 | 0 | { |
201 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
202 | 0 | static char *function = "libfvde_logical_volume_free"; |
203 | 0 | int result = 1; |
204 | |
|
205 | 0 | if( logical_volume == NULL ) |
206 | 0 | { |
207 | 0 | libcerror_error_set( |
208 | 0 | error, |
209 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
210 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
211 | 0 | "%s: invalid logical volume.", |
212 | 0 | function ); |
213 | |
|
214 | 0 | return( -1 ); |
215 | 0 | } |
216 | 0 | if( *logical_volume != NULL ) |
217 | 0 | { |
218 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) *logical_volume; |
219 | 0 | *logical_volume = NULL; |
220 | |
|
221 | 0 | if( libfvde_internal_logical_volume_close( |
222 | 0 | internal_logical_volume, |
223 | 0 | error ) != 0 ) |
224 | 0 | { |
225 | 0 | libcerror_error_set( |
226 | 0 | error, |
227 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
228 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
229 | 0 | "%s: unable to close logical volume.", |
230 | 0 | function ); |
231 | |
|
232 | 0 | result = -1; |
233 | 0 | } |
234 | 0 | if( libfvde_keyring_free( |
235 | 0 | &( internal_logical_volume->keyring ), |
236 | 0 | error ) != 1 ) |
237 | 0 | { |
238 | 0 | libcerror_error_set( |
239 | 0 | error, |
240 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
241 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
242 | 0 | "%s: unable to free keyring.", |
243 | 0 | function ); |
244 | |
|
245 | 0 | result = -1; |
246 | 0 | } |
247 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
248 | 0 | if( libcthreads_read_write_lock_free( |
249 | 0 | &( internal_logical_volume->read_write_lock ), |
250 | 0 | error ) != 1 ) |
251 | 0 | { |
252 | 0 | libcerror_error_set( |
253 | 0 | error, |
254 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
255 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
256 | 0 | "%s: unable to free read/write lock.", |
257 | 0 | function ); |
258 | |
|
259 | 0 | result = -1; |
260 | 0 | } |
261 | 0 | #endif |
262 | | /* The io_handle, file_io_pool, logical_volume_descriptor, encrypted_metadata and encrypted_root_plist references are freed elsewhere |
263 | | */ |
264 | 0 | memory_free( |
265 | 0 | internal_logical_volume ); |
266 | 0 | } |
267 | 0 | return( result ); |
268 | 0 | } |
269 | | |
270 | | /* Opens a logical volume for reading |
271 | | * Returns 1 if successful or -1 on error |
272 | | */ |
273 | | int libfvde_internal_logical_volume_open_read( |
274 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
275 | | libbfio_pool_t *file_io_pool, |
276 | | libcerror_error_t **error ) |
277 | 0 | { |
278 | 0 | uint8_t volume_header_data[ 512 ]; |
279 | |
|
280 | 0 | libfvde_segment_descriptor_t *segment_descriptor = NULL; |
281 | 0 | static char *function = "libfvde_internal_logical_volume_open_read"; |
282 | 0 | size64_t segment_size = 0; |
283 | 0 | ssize_t read_count = 0; |
284 | 0 | off64_t segment_offset = 0; |
285 | 0 | off64_t volume_offset = 0; |
286 | 0 | uint64_t expected_logical_block_number = 0; |
287 | 0 | uint32_t segment_flags = 0; |
288 | 0 | int file_io_pool_entry = 0; |
289 | 0 | int number_of_segment_descriptors = 0; |
290 | 0 | int result = 0; |
291 | 0 | int segment_descriptor_index = 0; |
292 | 0 | int segment_index = 0; |
293 | |
|
294 | 0 | if( internal_logical_volume == NULL ) |
295 | 0 | { |
296 | 0 | libcerror_error_set( |
297 | 0 | error, |
298 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
299 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
300 | 0 | "%s: invalid logical volume.", |
301 | 0 | function ); |
302 | |
|
303 | 0 | return( -1 ); |
304 | 0 | } |
305 | 0 | if( internal_logical_volume->io_handle == NULL ) |
306 | 0 | { |
307 | 0 | libcerror_error_set( |
308 | 0 | error, |
309 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
310 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
311 | 0 | "%s: invalid logical volume - missing IO handle.", |
312 | 0 | function ); |
313 | |
|
314 | 0 | return( -1 ); |
315 | 0 | } |
316 | 0 | if( internal_logical_volume->volume_data_handle != NULL ) |
317 | 0 | { |
318 | 0 | libcerror_error_set( |
319 | 0 | error, |
320 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
321 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
322 | 0 | "%s: invalid logical volume - volume data handle value already set.", |
323 | 0 | function ); |
324 | |
|
325 | 0 | return( -1 ); |
326 | 0 | } |
327 | 0 | if( internal_logical_volume->sectors_vector != NULL ) |
328 | 0 | { |
329 | 0 | libcerror_error_set( |
330 | 0 | error, |
331 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
332 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
333 | 0 | "%s: invalid logical volume - sectors vector value already set.", |
334 | 0 | function ); |
335 | |
|
336 | 0 | return( -1 ); |
337 | 0 | } |
338 | 0 | if( internal_logical_volume->sectors_cache != NULL ) |
339 | 0 | { |
340 | 0 | libcerror_error_set( |
341 | 0 | error, |
342 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
343 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
344 | 0 | "%s: invalid logical volume - sectors cache value already set.", |
345 | 0 | function ); |
346 | |
|
347 | 0 | return( -1 ); |
348 | 0 | } |
349 | 0 | if( libfvde_logical_volume_descriptor_get_first_block_number( |
350 | 0 | internal_logical_volume->logical_volume_descriptor, |
351 | 0 | (uint16_t *) &file_io_pool_entry, |
352 | 0 | (uint64_t *) &volume_offset, |
353 | 0 | error ) == -1 ) |
354 | 0 | { |
355 | 0 | libcerror_error_set( |
356 | 0 | error, |
357 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
358 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
359 | 0 | "%s: unable to retrieve first block number from logical volume descriptor.", |
360 | 0 | function ); |
361 | |
|
362 | 0 | goto on_error; |
363 | 0 | } |
364 | 0 | volume_offset *= internal_logical_volume->io_handle->block_size; |
365 | |
|
366 | 0 | if( libfvde_logical_volume_descriptor_get_size( |
367 | 0 | internal_logical_volume->logical_volume_descriptor, |
368 | 0 | &( internal_logical_volume->volume_size ), |
369 | 0 | error ) != 1 ) |
370 | 0 | { |
371 | 0 | libcerror_error_set( |
372 | 0 | error, |
373 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
374 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
375 | 0 | "%s: unable to retrieve logical volume size from descriptor.", |
376 | 0 | function ); |
377 | |
|
378 | 0 | goto on_error; |
379 | 0 | } |
380 | | /* TODO remove after debugging unsupported format variants |
381 | | if( internal_logical_volume->volume_size == 0 ) |
382 | | { |
383 | | if( libfvde_logical_volume_descriptor_get_last_block_number( |
384 | | internal_logical_volume->logical_volume_descriptor, |
385 | | (uint16_t *) &file_io_pool_entry, |
386 | | (uint64_t *) &( internal_logical_volume->volume_size ), |
387 | | error ) == -1 ) |
388 | | { |
389 | | libcerror_error_set( |
390 | | error, |
391 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
392 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
393 | | "%s: unable to retrieve last block number from logical volume descriptor.", |
394 | | function ); |
395 | | |
396 | | goto on_error; |
397 | | } |
398 | | internal_logical_volume->volume_size *= internal_logical_volume->io_handle->block_size; |
399 | | } |
400 | | */ |
401 | | #if defined( HAVE_DEBUG_OUTPUT ) |
402 | | if( libcnotify_verbose != 0 ) |
403 | | { |
404 | | libcnotify_printf( |
405 | | "Reading logical volume header at offset: %" PRIi64 " (0x%08" PRIx64 ").\n", |
406 | | volume_offset + 1024, |
407 | | volume_offset + 1024 ); |
408 | | } |
409 | | #endif |
410 | 0 | read_count = libbfio_pool_read_buffer_at_offset( |
411 | 0 | file_io_pool, |
412 | 0 | file_io_pool_entry, |
413 | 0 | volume_header_data, |
414 | 0 | 512, |
415 | 0 | volume_offset + 1024, |
416 | 0 | error ); |
417 | |
|
418 | 0 | if( read_count != 512 ) |
419 | 0 | { |
420 | 0 | libcerror_error_set( |
421 | 0 | error, |
422 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
423 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
424 | 0 | "%s: unable to read volume header data at offset: %" PRIi64 " (0x%08" PRIx64 ").", |
425 | 0 | function, |
426 | 0 | volume_offset + 1024, |
427 | 0 | volume_offset + 1024 ); |
428 | |
|
429 | 0 | goto on_error; |
430 | 0 | } |
431 | | #if defined( HAVE_DEBUG_OUTPUT ) |
432 | | if( libcnotify_verbose != 0 ) |
433 | | { |
434 | | libcnotify_printf( |
435 | | "%s: volume header data:\n", |
436 | | function ); |
437 | | libcnotify_print_data( |
438 | | volume_header_data, |
439 | | 512, |
440 | | LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA ); |
441 | | } |
442 | | #endif |
443 | 0 | result = libfvde_internal_logical_volume_open_read_volume_header_data( |
444 | 0 | internal_logical_volume, |
445 | 0 | volume_header_data, |
446 | 0 | 512, |
447 | 0 | error ); |
448 | |
|
449 | 0 | if( result == -1 ) |
450 | 0 | { |
451 | 0 | libcerror_error_set( |
452 | 0 | error, |
453 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
454 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
455 | 0 | "%s: unable to read volume header.", |
456 | 0 | function ); |
457 | |
|
458 | 0 | goto on_error; |
459 | 0 | } |
460 | 0 | internal_logical_volume->is_locked = ( result == 0 ); |
461 | |
|
462 | 0 | if( libfvde_volume_data_handle_initialize( |
463 | 0 | &( internal_logical_volume->volume_data_handle ), |
464 | 0 | internal_logical_volume->io_handle, |
465 | 0 | volume_offset, |
466 | 0 | error ) != 1 ) |
467 | 0 | { |
468 | 0 | libcerror_error_set( |
469 | 0 | error, |
470 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
471 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
472 | 0 | "%s: unable to create volume data handle.", |
473 | 0 | function ); |
474 | |
|
475 | 0 | goto on_error; |
476 | 0 | } |
477 | 0 | if( internal_logical_volume->is_locked != 0 ) |
478 | 0 | { |
479 | 0 | result = libfvde_internal_logical_volume_unlock( |
480 | 0 | internal_logical_volume, |
481 | 0 | file_io_pool, |
482 | 0 | error ); |
483 | |
|
484 | 0 | if( result == -1 ) |
485 | 0 | { |
486 | 0 | libcerror_error_set( |
487 | 0 | error, |
488 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
489 | 0 | LIBCERROR_RUNTIME_ERROR_GENERIC, |
490 | 0 | "%s: unable to unlock volume.", |
491 | 0 | function ); |
492 | |
|
493 | 0 | goto on_error; |
494 | 0 | } |
495 | 0 | } |
496 | 0 | if( libfdata_vector_initialize( |
497 | 0 | &( internal_logical_volume->sectors_vector ), |
498 | 0 | (size64_t) internal_logical_volume->io_handle->bytes_per_sector, |
499 | 0 | (intptr_t *) internal_logical_volume->volume_data_handle, |
500 | 0 | NULL, |
501 | 0 | NULL, |
502 | 0 | (int (*)(intptr_t *, intptr_t *, libfdata_vector_t *, libfdata_cache_t *, int, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libfvde_volume_data_handle_read_sector, |
503 | 0 | NULL, |
504 | 0 | LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED, |
505 | 0 | error ) != 1 ) |
506 | 0 | { |
507 | 0 | libcerror_error_set( |
508 | 0 | error, |
509 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
510 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
511 | 0 | "%s: unable to create sectors vector.", |
512 | 0 | function ); |
513 | |
|
514 | 0 | goto on_error; |
515 | 0 | } |
516 | 0 | if( libfvde_logical_volume_descriptor_get_number_of_segment_descriptors( |
517 | 0 | internal_logical_volume->logical_volume_descriptor, |
518 | 0 | &number_of_segment_descriptors, |
519 | 0 | error ) == -1 ) |
520 | 0 | { |
521 | 0 | libcerror_error_set( |
522 | 0 | error, |
523 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
524 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
525 | 0 | "%s: unable to retrieve number of segment descriptors from logical volume descriptor.", |
526 | 0 | function ); |
527 | |
|
528 | 0 | goto on_error; |
529 | 0 | } |
530 | 0 | expected_logical_block_number = 0; |
531 | |
|
532 | 0 | for( segment_descriptor_index = 0; |
533 | 0 | segment_descriptor_index < number_of_segment_descriptors; |
534 | 0 | segment_descriptor_index++ ) |
535 | 0 | { |
536 | 0 | if( libfvde_logical_volume_descriptor_get_segment_descriptor_by_index( |
537 | 0 | internal_logical_volume->logical_volume_descriptor, |
538 | 0 | segment_descriptor_index, |
539 | 0 | &segment_descriptor, |
540 | 0 | error ) == -1 ) |
541 | 0 | { |
542 | 0 | libcerror_error_set( |
543 | 0 | error, |
544 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
545 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
546 | 0 | "%s: unable to retrieve segment descriptor: %d from logical volume descriptor.", |
547 | 0 | function, |
548 | 0 | segment_descriptor_index ); |
549 | |
|
550 | 0 | goto on_error; |
551 | 0 | } |
552 | 0 | if( segment_descriptor == NULL ) |
553 | 0 | { |
554 | 0 | libcerror_error_set( |
555 | 0 | error, |
556 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
557 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
558 | 0 | "%s: missing segment descriptor: %d.", |
559 | 0 | function, |
560 | 0 | segment_descriptor_index ); |
561 | |
|
562 | 0 | goto on_error; |
563 | 0 | } |
564 | 0 | if( segment_descriptor->logical_block_number < expected_logical_block_number ) |
565 | 0 | { |
566 | 0 | libcerror_error_set( |
567 | 0 | error, |
568 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
569 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
570 | 0 | "%s: unsupported logical block number of segment descriptor: %d.", |
571 | 0 | function, |
572 | 0 | segment_descriptor_index ); |
573 | |
|
574 | 0 | goto on_error; |
575 | 0 | } |
576 | 0 | else if( segment_descriptor->logical_block_number > expected_logical_block_number ) |
577 | 0 | { |
578 | 0 | segment_size = segment_descriptor->logical_block_number - expected_logical_block_number; |
579 | 0 | segment_size *= internal_logical_volume->io_handle->block_size; |
580 | |
|
581 | 0 | if( libfdata_vector_append_segment( |
582 | 0 | internal_logical_volume->sectors_vector, |
583 | 0 | &segment_index, |
584 | 0 | 0, |
585 | 0 | 0, |
586 | 0 | segment_size, |
587 | 0 | LIBFVDE_RANGE_FLAG_IS_SPARSE, |
588 | 0 | error ) != 1 ) |
589 | 0 | { |
590 | 0 | libcerror_error_set( |
591 | 0 | error, |
592 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
593 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
594 | 0 | "%s: unable to append sparse segment to sectors vector.", |
595 | 0 | function ); |
596 | |
|
597 | 0 | goto on_error; |
598 | 0 | } |
599 | 0 | expected_logical_block_number = segment_descriptor->logical_block_number; |
600 | 0 | } |
601 | 0 | segment_offset = internal_logical_volume->logical_volume_descriptor->base_physical_block_number; |
602 | 0 | segment_offset += segment_descriptor->physical_block_number; |
603 | 0 | segment_offset *= internal_logical_volume->io_handle->block_size; |
604 | 0 | segment_size = segment_descriptor->number_of_blocks; |
605 | 0 | segment_size *= internal_logical_volume->io_handle->block_size; |
606 | |
|
607 | 0 | if( internal_logical_volume->volume_data_handle->is_encrypted != 0 ) |
608 | 0 | { |
609 | 0 | segment_flags = LIBFVDE_RANGE_FLAG_IS_ENCRYPTED; |
610 | 0 | } |
611 | 0 | else |
612 | 0 | { |
613 | 0 | segment_flags = 0; |
614 | 0 | } |
615 | 0 | if( libfdata_vector_append_segment( |
616 | 0 | internal_logical_volume->sectors_vector, |
617 | 0 | &segment_index, |
618 | 0 | (int) segment_descriptor->physical_volume_index, |
619 | 0 | segment_offset, |
620 | 0 | segment_size, |
621 | 0 | segment_flags, |
622 | 0 | error ) != 1 ) |
623 | 0 | { |
624 | 0 | libcerror_error_set( |
625 | 0 | error, |
626 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
627 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
628 | 0 | "%s: unable to append segment to sectors vector.", |
629 | 0 | function ); |
630 | |
|
631 | 0 | goto on_error; |
632 | 0 | } |
633 | 0 | expected_logical_block_number += segment_descriptor->number_of_blocks; |
634 | 0 | } |
635 | 0 | segment_size = (size64_t) expected_logical_block_number * internal_logical_volume->io_handle->block_size; |
636 | |
|
637 | 0 | if( segment_size < internal_logical_volume->volume_size ) |
638 | 0 | { |
639 | 0 | segment_size = internal_logical_volume->volume_size - segment_size; |
640 | |
|
641 | 0 | if( libfdata_vector_append_segment( |
642 | 0 | internal_logical_volume->sectors_vector, |
643 | 0 | &segment_index, |
644 | 0 | 0, |
645 | 0 | 0, |
646 | 0 | segment_size, |
647 | 0 | LIBFVDE_RANGE_FLAG_IS_SPARSE, |
648 | 0 | error ) != 1 ) |
649 | 0 | { |
650 | 0 | libcerror_error_set( |
651 | 0 | error, |
652 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
653 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
654 | 0 | "%s: unable to append sparse segment to sectors vector.", |
655 | 0 | function ); |
656 | |
|
657 | 0 | goto on_error; |
658 | 0 | } |
659 | 0 | } |
660 | 0 | if( libfcache_cache_initialize( |
661 | 0 | &( internal_logical_volume->sectors_cache ), |
662 | 0 | LIBFVDE_MAXIMUM_CACHE_ENTRIES_SECTORS, |
663 | 0 | error ) != 1 ) |
664 | 0 | { |
665 | 0 | libcerror_error_set( |
666 | 0 | error, |
667 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
668 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
669 | 0 | "%s: unable to create sectors cache.", |
670 | 0 | function ); |
671 | |
|
672 | 0 | goto on_error; |
673 | 0 | } |
674 | 0 | return( 1 ); |
675 | | |
676 | 0 | on_error: |
677 | 0 | if( internal_logical_volume->sectors_cache != NULL ) |
678 | 0 | { |
679 | 0 | libfcache_cache_free( |
680 | 0 | &( internal_logical_volume->sectors_cache ), |
681 | 0 | NULL ); |
682 | 0 | } |
683 | 0 | if( internal_logical_volume->sectors_vector != NULL ) |
684 | 0 | { |
685 | 0 | libfdata_vector_free( |
686 | 0 | &( internal_logical_volume->sectors_vector ), |
687 | 0 | NULL ); |
688 | 0 | } |
689 | 0 | if( internal_logical_volume->volume_data_handle != NULL ) |
690 | 0 | { |
691 | 0 | libfvde_volume_data_handle_free( |
692 | 0 | &( internal_logical_volume->volume_data_handle ), |
693 | 0 | NULL ); |
694 | 0 | } |
695 | 0 | return( -1 ); |
696 | 0 | } |
697 | | |
698 | | /* Reads the keys from when unlocking the volume |
699 | | * Returns 1 if successful, 0 if not or -1 on error |
700 | | */ |
701 | | int libfvde_internal_logical_volume_open_read_keys( |
702 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
703 | | libcerror_error_t **error ) |
704 | 0 | { |
705 | 0 | uint8_t tweak_key_data[ 32 ]; |
706 | |
|
707 | 0 | static char *function = "libfvde_internal_logical_volume_open_read_keys"; |
708 | 0 | int result = 0; |
709 | |
|
710 | 0 | if( internal_logical_volume == NULL ) |
711 | 0 | { |
712 | 0 | libcerror_error_set( |
713 | 0 | error, |
714 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
715 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
716 | 0 | "%s: invalid logical volume.", |
717 | 0 | function ); |
718 | |
|
719 | 0 | return( -1 ); |
720 | 0 | } |
721 | 0 | if( internal_logical_volume->logical_volume_descriptor == NULL ) |
722 | 0 | { |
723 | 0 | libcerror_error_set( |
724 | 0 | error, |
725 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
726 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
727 | 0 | "%s: invalid logical volume - missing logical volume descriptor.", |
728 | 0 | function ); |
729 | |
|
730 | 0 | return( -1 ); |
731 | 0 | } |
732 | 0 | if( internal_logical_volume->encrypted_metadata == NULL ) |
733 | 0 | { |
734 | 0 | libcerror_error_set( |
735 | 0 | error, |
736 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
737 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
738 | 0 | "%s: invalid logical volume - missing encrypted metadata.", |
739 | 0 | function ); |
740 | |
|
741 | 0 | return( -1 ); |
742 | 0 | } |
743 | 0 | if( internal_logical_volume->keyring == NULL ) |
744 | 0 | { |
745 | 0 | libcerror_error_set( |
746 | 0 | error, |
747 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
748 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
749 | 0 | "%s: invalid logical volume - missing keyring handle.", |
750 | 0 | function ); |
751 | |
|
752 | 0 | return( -1 ); |
753 | 0 | } |
754 | 0 | if( internal_logical_volume->volume_data_handle == NULL ) |
755 | 0 | { |
756 | 0 | libcerror_error_set( |
757 | 0 | error, |
758 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
759 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
760 | 0 | "%s: invalid logical volume - missing volume data handle.", |
761 | 0 | function ); |
762 | |
|
763 | 0 | return( -1 ); |
764 | 0 | } |
765 | 0 | if( internal_logical_volume->volume_master_key_is_set == 0 ) |
766 | 0 | { |
767 | 0 | if( internal_logical_volume->encrypted_metadata->encryption_context_plist_file_is_set != 0 ) |
768 | 0 | { |
769 | 0 | result = libfvde_encrypted_metadata_get_volume_master_key( |
770 | 0 | internal_logical_volume->encrypted_metadata, |
771 | 0 | internal_logical_volume->encrypted_metadata->encryption_context_plist, |
772 | 0 | internal_logical_volume->keyring, |
773 | 0 | internal_logical_volume->user_password, |
774 | 0 | internal_logical_volume->user_password_size - 1, |
775 | 0 | internal_logical_volume->recovery_password, |
776 | 0 | internal_logical_volume->recovery_password_size - 1, |
777 | 0 | error ); |
778 | |
|
779 | 0 | if( result == -1 ) |
780 | 0 | { |
781 | 0 | libcerror_error_set( |
782 | 0 | error, |
783 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
784 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
785 | 0 | "%s: unable to retrieve volume master key from encrypted metadata.", |
786 | 0 | function ); |
787 | |
|
788 | 0 | goto on_error; |
789 | 0 | } |
790 | 0 | else if( result != 0 ) |
791 | 0 | { |
792 | 0 | internal_logical_volume->volume_master_key_is_set = 1; |
793 | 0 | } |
794 | 0 | } |
795 | 0 | else if( internal_logical_volume->encrypted_root_plist != NULL ) |
796 | 0 | { |
797 | 0 | result = libfvde_encrypted_metadata_get_volume_master_key( |
798 | 0 | internal_logical_volume->encrypted_metadata, |
799 | 0 | internal_logical_volume->encrypted_root_plist, |
800 | 0 | internal_logical_volume->keyring, |
801 | 0 | internal_logical_volume->user_password, |
802 | 0 | internal_logical_volume->user_password_size - 1, |
803 | 0 | internal_logical_volume->recovery_password, |
804 | 0 | internal_logical_volume->recovery_password_size - 1, |
805 | 0 | error ); |
806 | |
|
807 | 0 | if( result == -1 ) |
808 | 0 | { |
809 | 0 | libcerror_error_set( |
810 | 0 | error, |
811 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
812 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
813 | 0 | "%s: unable to retrieve volume master key from encrypted metadata.", |
814 | 0 | function ); |
815 | |
|
816 | 0 | goto on_error; |
817 | 0 | } |
818 | 0 | else if( result != 0 ) |
819 | 0 | { |
820 | 0 | internal_logical_volume->volume_master_key_is_set = 1; |
821 | 0 | } |
822 | 0 | } |
823 | 0 | } |
824 | 0 | if( ( internal_logical_volume->volume_master_key_is_set != 0 ) |
825 | 0 | && ( internal_logical_volume->volume_data_handle->encryption_context == NULL ) ) |
826 | 0 | { |
827 | | #if defined( HAVE_DEBUG_OUTPUT ) |
828 | | if( libcnotify_verbose != 0 ) |
829 | | { |
830 | | libcnotify_printf( |
831 | | "%s: volume master key:\n", |
832 | | function ); |
833 | | libcnotify_print_data( |
834 | | internal_logical_volume->keyring->volume_master_key, |
835 | | 16, |
836 | | 0 ); |
837 | | } |
838 | | #endif |
839 | 0 | if( memory_copy( |
840 | 0 | &( tweak_key_data[ 0 ] ), |
841 | 0 | internal_logical_volume->keyring->volume_master_key, |
842 | 0 | 16 ) == NULL ) |
843 | 0 | { |
844 | 0 | libcerror_error_set( |
845 | 0 | error, |
846 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
847 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
848 | 0 | "%s: unable to copy volume master key to tweak key data.", |
849 | 0 | function ); |
850 | |
|
851 | 0 | goto on_error; |
852 | 0 | } |
853 | 0 | if( memory_copy( |
854 | 0 | &( tweak_key_data[ 16 ] ), |
855 | 0 | internal_logical_volume->logical_volume_descriptor->family_identifier, |
856 | 0 | 16 ) == NULL ) |
857 | 0 | { |
858 | 0 | libcerror_error_set( |
859 | 0 | error, |
860 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
861 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
862 | 0 | "%s: unable to copy logical volume family identifier to tweak key data.", |
863 | 0 | function ); |
864 | |
|
865 | 0 | goto on_error; |
866 | 0 | } |
867 | 0 | if( libhmac_sha256_calculate( |
868 | 0 | tweak_key_data, |
869 | 0 | 32, |
870 | 0 | internal_logical_volume->keyring->volume_tweak_key, |
871 | 0 | 32, |
872 | 0 | error ) != 1 ) |
873 | 0 | { |
874 | 0 | libcerror_error_set( |
875 | 0 | error, |
876 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
877 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
878 | 0 | "%s: unable to calculate SHA-256 of tweak key data.", |
879 | 0 | function ); |
880 | |
|
881 | 0 | goto on_error; |
882 | 0 | } |
883 | | #if defined( HAVE_DEBUG_OUTPUT ) |
884 | | if( libcnotify_verbose != 0 ) |
885 | | { |
886 | | libcnotify_printf( |
887 | | "%s: volume tweak key:\n", |
888 | | function ); |
889 | | libcnotify_print_data( |
890 | | internal_logical_volume->keyring->volume_tweak_key, |
891 | | 16, |
892 | | 0 ); |
893 | | } |
894 | | #endif |
895 | 0 | if( libfvde_encryption_context_initialize( |
896 | 0 | &( internal_logical_volume->volume_data_handle->encryption_context ), |
897 | 0 | LIBFVDE_ENCRYPTION_METHOD_AES_128_XTS, |
898 | 0 | error ) != 1 ) |
899 | 0 | { |
900 | 0 | libcerror_error_set( |
901 | 0 | error, |
902 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
903 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
904 | 0 | "%s: unable to create encryption context.", |
905 | 0 | function ); |
906 | |
|
907 | 0 | goto on_error; |
908 | 0 | } |
909 | 0 | if( libfvde_encryption_context_set_keys( |
910 | 0 | internal_logical_volume->volume_data_handle->encryption_context, |
911 | 0 | internal_logical_volume->keyring->volume_master_key, |
912 | 0 | 128, |
913 | 0 | internal_logical_volume->keyring->volume_tweak_key, |
914 | 0 | 128, |
915 | 0 | error ) != 1 ) |
916 | 0 | { |
917 | 0 | libcerror_error_set( |
918 | 0 | error, |
919 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
920 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
921 | 0 | "%s: unable to set keys in encryption context.", |
922 | 0 | function ); |
923 | |
|
924 | 0 | goto on_error; |
925 | 0 | } |
926 | 0 | if( memory_set( |
927 | 0 | tweak_key_data, |
928 | 0 | 0, |
929 | 0 | 32 ) == NULL ) |
930 | 0 | { |
931 | 0 | libcerror_error_set( |
932 | 0 | error, |
933 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
934 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
935 | 0 | "%s: unable to clear tweak key data.", |
936 | 0 | function ); |
937 | |
|
938 | 0 | goto on_error; |
939 | 0 | } |
940 | 0 | internal_logical_volume->volume_data_handle->is_encrypted = 1; |
941 | 0 | } |
942 | 0 | if( internal_logical_volume->volume_data_handle->encryption_context != NULL ) |
943 | 0 | { |
944 | 0 | return( 1 ); |
945 | 0 | } |
946 | 0 | return( 0 ); |
947 | | |
948 | 0 | on_error: |
949 | 0 | memory_set( |
950 | 0 | tweak_key_data, |
951 | 0 | 0, |
952 | 0 | 32 ); |
953 | |
|
954 | 0 | return( -1 ); |
955 | 0 | } |
956 | | |
957 | | /* Reads the logical volume header |
958 | | * Returns 1 if successful, 0 if not or -1 on error |
959 | | */ |
960 | | int libfvde_internal_logical_volume_open_read_volume_header_data( |
961 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
962 | | const uint8_t *data, |
963 | | size_t data_size, |
964 | | libcerror_error_t **error ) |
965 | 0 | { |
966 | 0 | static char *function = "libfvde_internal_logical_volume_open_read_volume_header_data"; |
967 | 0 | uint16_t volume_signature = 0; |
968 | 0 | int result = 0; |
969 | |
|
970 | | #if defined( HAVE_DEBUG_OUTPUT ) |
971 | | uint32_t block_size = 0; |
972 | | uint32_t number_of_blocks = 0; |
973 | | #endif |
974 | |
|
975 | 0 | if( internal_logical_volume == NULL ) |
976 | 0 | { |
977 | 0 | libcerror_error_set( |
978 | 0 | error, |
979 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
980 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
981 | 0 | "%s: invalid logical volume.", |
982 | 0 | function ); |
983 | |
|
984 | 0 | return( -1 ); |
985 | 0 | } |
986 | 0 | if( data == NULL ) |
987 | 0 | { |
988 | 0 | libcerror_error_set( |
989 | 0 | error, |
990 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
991 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
992 | 0 | "%s: invalid data.", |
993 | 0 | function ); |
994 | |
|
995 | 0 | return( -1 ); |
996 | 0 | } |
997 | 0 | if( ( data_size < 512 ) |
998 | 0 | || ( data_size > (size_t) SSIZE_MAX ) ) |
999 | 0 | { |
1000 | 0 | libcerror_error_set( |
1001 | 0 | error, |
1002 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1003 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1004 | 0 | "%s: invalid data size value out of bounds.", |
1005 | 0 | function ); |
1006 | |
|
1007 | 0 | return( -1 ); |
1008 | 0 | } |
1009 | 0 | byte_stream_copy_to_uint16_big_endian( |
1010 | 0 | data, |
1011 | 0 | volume_signature ); |
1012 | |
|
1013 | 0 | if( ( volume_signature == 0x482b ) |
1014 | 0 | || ( volume_signature == 0x4858 ) ) |
1015 | 0 | { |
1016 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1017 | | byte_stream_copy_to_uint32_big_endian( |
1018 | | &( data[ 40 ] ), |
1019 | | block_size ); |
1020 | | |
1021 | | byte_stream_copy_to_uint32_big_endian( |
1022 | | &( data[ 44 ] ), |
1023 | | number_of_blocks ); |
1024 | | |
1025 | | if( libcnotify_verbose != 0 ) |
1026 | | { |
1027 | | libcnotify_printf( |
1028 | | "%s: block size\t\t: %" PRIu32 "\n", |
1029 | | function, |
1030 | | block_size ); |
1031 | | |
1032 | | libcnotify_printf( |
1033 | | "%s: number of blocks\t\t: %" PRIu32 "\n", |
1034 | | function, |
1035 | | number_of_blocks ); |
1036 | | |
1037 | | libcnotify_printf( |
1038 | | "\n" ); |
1039 | | } |
1040 | | #endif /* defined( HAVE_DEBUG_OUTPUT ) */ |
1041 | |
|
1042 | 0 | result = 1; |
1043 | 0 | } |
1044 | 0 | return( result ); |
1045 | 0 | } |
1046 | | |
1047 | | /* Reads the logical volume header |
1048 | | * Returns 1 if successful, 0 if not or -1 on error |
1049 | | */ |
1050 | | int libfvde_internal_logical_volume_open_read_volume_header( |
1051 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
1052 | | libbfio_pool_t *file_io_pool, |
1053 | | int file_io_pool_entry, |
1054 | | off64_t file_offset, |
1055 | | libcerror_error_t **error ) |
1056 | 0 | { |
1057 | 0 | libfvde_sector_data_t *sector_data = NULL; |
1058 | 0 | static char *function = "libfvde_internal_logical_volume_open_read_volume_header"; |
1059 | 0 | uint64_t block_number = 0; |
1060 | 0 | int result = 0; |
1061 | |
|
1062 | 0 | if( internal_logical_volume == NULL ) |
1063 | 0 | { |
1064 | 0 | libcerror_error_set( |
1065 | 0 | error, |
1066 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1067 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1068 | 0 | "%s: invalid logical volume.", |
1069 | 0 | function ); |
1070 | |
|
1071 | 0 | return( -1 ); |
1072 | 0 | } |
1073 | 0 | if( internal_logical_volume->io_handle == NULL ) |
1074 | 0 | { |
1075 | 0 | libcerror_error_set( |
1076 | 0 | error, |
1077 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1078 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1079 | 0 | "%s: invalid logical volume - missing IO handle.", |
1080 | 0 | function ); |
1081 | |
|
1082 | 0 | return( -1 ); |
1083 | 0 | } |
1084 | 0 | if( internal_logical_volume->volume_data_handle == NULL ) |
1085 | 0 | { |
1086 | 0 | libcerror_error_set( |
1087 | 0 | error, |
1088 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1089 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1090 | 0 | "%s: invalid logical volume - missing volume data handle.", |
1091 | 0 | function ); |
1092 | |
|
1093 | 0 | return( -1 ); |
1094 | 0 | } |
1095 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1096 | | if( libcnotify_verbose != 0 ) |
1097 | | { |
1098 | | libcnotify_printf( |
1099 | | "%s: reading logical volume header at offset: %" PRIi64 " (0x%08" PRIx64 ")\n", |
1100 | | function, |
1101 | | file_offset, |
1102 | | file_offset ); |
1103 | | } |
1104 | | #endif |
1105 | 0 | if( libfvde_sector_data_initialize( |
1106 | 0 | §or_data, |
1107 | 0 | (size_t) internal_logical_volume->io_handle->bytes_per_sector, |
1108 | 0 | error ) != 1 ) |
1109 | 0 | { |
1110 | 0 | libcerror_error_set( |
1111 | 0 | error, |
1112 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1113 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1114 | 0 | "%s: unable to create sector data.", |
1115 | 0 | function ); |
1116 | |
|
1117 | 0 | goto on_error; |
1118 | 0 | } |
1119 | 0 | block_number = (uint64_t) ( file_offset - internal_logical_volume->volume_data_handle->logical_volume_offset ) / internal_logical_volume->io_handle->bytes_per_sector; |
1120 | |
|
1121 | 0 | if( libfvde_sector_data_read( |
1122 | 0 | sector_data, |
1123 | 0 | internal_logical_volume->volume_data_handle->encryption_context, |
1124 | 0 | file_io_pool, |
1125 | 0 | file_io_pool_entry, |
1126 | 0 | file_offset, |
1127 | 0 | block_number, |
1128 | 0 | internal_logical_volume->volume_data_handle->is_encrypted, |
1129 | 0 | error ) != 1 ) |
1130 | 0 | { |
1131 | 0 | libcerror_error_set( |
1132 | 0 | error, |
1133 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1134 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1135 | 0 | "%s: unable to read volume header sector data.", |
1136 | 0 | function ); |
1137 | |
|
1138 | 0 | goto on_error; |
1139 | 0 | } |
1140 | 0 | result = libfvde_internal_logical_volume_open_read_volume_header_data( |
1141 | 0 | internal_logical_volume, |
1142 | 0 | sector_data->data, |
1143 | 0 | sector_data->data_size, |
1144 | 0 | error ); |
1145 | |
|
1146 | 0 | if( result == -1 ) |
1147 | 0 | { |
1148 | 0 | libcerror_error_set( |
1149 | 0 | error, |
1150 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1151 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1152 | 0 | "%s: unable to read volume header.", |
1153 | 0 | function ); |
1154 | |
|
1155 | 0 | goto on_error; |
1156 | 0 | } |
1157 | 0 | if( libfvde_sector_data_free( |
1158 | 0 | §or_data, |
1159 | 0 | error ) != 1 ) |
1160 | 0 | { |
1161 | 0 | libcerror_error_set( |
1162 | 0 | error, |
1163 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1164 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1165 | 0 | "%s: unable to free sector data.", |
1166 | 0 | function ); |
1167 | |
|
1168 | 0 | goto on_error; |
1169 | 0 | } |
1170 | 0 | return( result ); |
1171 | | |
1172 | 0 | on_error: |
1173 | 0 | if( sector_data != NULL ) |
1174 | 0 | { |
1175 | 0 | libfvde_sector_data_free( |
1176 | 0 | §or_data, |
1177 | 0 | NULL ); |
1178 | 0 | } |
1179 | 0 | return( -1 ); |
1180 | 0 | } |
1181 | | |
1182 | | /* Closes a logical volume |
1183 | | * Returns 0 if successful or -1 on error |
1184 | | */ |
1185 | | int libfvde_internal_logical_volume_close( |
1186 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
1187 | | libcerror_error_t **error ) |
1188 | 0 | { |
1189 | 0 | static char *function = "libfvde_internal_logical_volume_close"; |
1190 | 0 | int result = 0; |
1191 | |
|
1192 | 0 | if( internal_logical_volume == NULL ) |
1193 | 0 | { |
1194 | 0 | libcerror_error_set( |
1195 | 0 | error, |
1196 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1197 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1198 | 0 | "%s: invalid logical volume.", |
1199 | 0 | function ); |
1200 | |
|
1201 | 0 | return( -1 ); |
1202 | 0 | } |
1203 | 0 | internal_logical_volume->current_offset = 0; |
1204 | 0 | internal_logical_volume->is_locked = 1; |
1205 | |
|
1206 | 0 | if( internal_logical_volume->user_password != NULL ) |
1207 | 0 | { |
1208 | 0 | if( memory_set( |
1209 | 0 | internal_logical_volume->user_password, |
1210 | 0 | 0, |
1211 | 0 | internal_logical_volume->user_password_size ) == NULL ) |
1212 | 0 | { |
1213 | 0 | libcerror_error_set( |
1214 | 0 | error, |
1215 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1216 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1217 | 0 | "%s: unable to clear user password.", |
1218 | 0 | function ); |
1219 | |
|
1220 | 0 | result = -1; |
1221 | 0 | } |
1222 | 0 | memory_free( |
1223 | 0 | internal_logical_volume->user_password ); |
1224 | |
|
1225 | 0 | internal_logical_volume->user_password = NULL; |
1226 | 0 | internal_logical_volume->user_password_size = 0; |
1227 | 0 | } |
1228 | 0 | if( internal_logical_volume->recovery_password != NULL ) |
1229 | 0 | { |
1230 | 0 | if( memory_set( |
1231 | 0 | internal_logical_volume->recovery_password, |
1232 | 0 | 0, |
1233 | 0 | internal_logical_volume->recovery_password_size ) == NULL ) |
1234 | 0 | { |
1235 | 0 | libcerror_error_set( |
1236 | 0 | error, |
1237 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1238 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1239 | 0 | "%s: unable to clear recovery password.", |
1240 | 0 | function ); |
1241 | |
|
1242 | 0 | result = -1; |
1243 | 0 | } |
1244 | 0 | memory_free( |
1245 | 0 | internal_logical_volume->recovery_password ); |
1246 | |
|
1247 | 0 | internal_logical_volume->recovery_password = NULL; |
1248 | 0 | internal_logical_volume->recovery_password_size = 0; |
1249 | 0 | } |
1250 | 0 | if( internal_logical_volume->volume_data_handle != NULL ) |
1251 | 0 | { |
1252 | 0 | if( libfvde_volume_data_handle_free( |
1253 | 0 | &( internal_logical_volume->volume_data_handle ), |
1254 | 0 | error ) != 1 ) |
1255 | 0 | { |
1256 | 0 | libcerror_error_set( |
1257 | 0 | error, |
1258 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1259 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1260 | 0 | "%s: unable to free volume data handle.", |
1261 | 0 | function ); |
1262 | |
|
1263 | 0 | result = -1; |
1264 | 0 | } |
1265 | 0 | } |
1266 | 0 | if( internal_logical_volume->sectors_vector != NULL ) |
1267 | 0 | { |
1268 | 0 | if( libfdata_vector_free( |
1269 | 0 | &( internal_logical_volume->sectors_vector ), |
1270 | 0 | error ) != 1 ) |
1271 | 0 | { |
1272 | 0 | libcerror_error_set( |
1273 | 0 | error, |
1274 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1275 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1276 | 0 | "%s: unable to free sectors vector.", |
1277 | 0 | function ); |
1278 | |
|
1279 | 0 | result = -1; |
1280 | 0 | } |
1281 | 0 | } |
1282 | 0 | if( internal_logical_volume->sectors_cache != NULL ) |
1283 | 0 | { |
1284 | 0 | if( libfcache_cache_free( |
1285 | 0 | &( internal_logical_volume->sectors_cache ), |
1286 | 0 | error ) != 1 ) |
1287 | 0 | { |
1288 | 0 | libcerror_error_set( |
1289 | 0 | error, |
1290 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1291 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1292 | 0 | "%s: unable to free sectors cache.", |
1293 | 0 | function ); |
1294 | |
|
1295 | 0 | result = -1; |
1296 | 0 | } |
1297 | 0 | } |
1298 | 0 | return( result ); |
1299 | 0 | } |
1300 | | |
1301 | | /* Unlocks the logical volume |
1302 | | * Returns 1 if the volume is unlocked, 0 if not or -1 on error |
1303 | | */ |
1304 | | int libfvde_internal_logical_volume_unlock( |
1305 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
1306 | | libbfio_pool_t *file_io_pool, |
1307 | | libcerror_error_t **error ) |
1308 | 0 | { |
1309 | 0 | static char *function = "libfvde_internal_logical_volume_unlock"; |
1310 | 0 | off64_t volume_offset = 0; |
1311 | 0 | int file_io_pool_entry = 0; |
1312 | 0 | int result = 0; |
1313 | |
|
1314 | 0 | if( internal_logical_volume == NULL ) |
1315 | 0 | { |
1316 | 0 | libcerror_error_set( |
1317 | 0 | error, |
1318 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1319 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1320 | 0 | "%s: invalid logical volume.", |
1321 | 0 | function ); |
1322 | |
|
1323 | 0 | return( -1 ); |
1324 | 0 | } |
1325 | 0 | if( internal_logical_volume->io_handle == NULL ) |
1326 | 0 | { |
1327 | 0 | libcerror_error_set( |
1328 | 0 | error, |
1329 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1330 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1331 | 0 | "%s: invalid logical volume - missing IO handle.", |
1332 | 0 | function ); |
1333 | |
|
1334 | 0 | return( -1 ); |
1335 | 0 | } |
1336 | 0 | result = libfvde_internal_logical_volume_open_read_keys( |
1337 | 0 | internal_logical_volume, |
1338 | 0 | error ); |
1339 | |
|
1340 | 0 | if( result == -1 ) |
1341 | 0 | { |
1342 | 0 | libcerror_error_set( |
1343 | 0 | error, |
1344 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1345 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1346 | 0 | "%s: unable to read keys.", |
1347 | 0 | function ); |
1348 | |
|
1349 | 0 | return( -1 ); |
1350 | 0 | } |
1351 | 0 | else if( result != 0 ) |
1352 | 0 | { |
1353 | 0 | if( libfvde_logical_volume_descriptor_get_first_block_number( |
1354 | 0 | internal_logical_volume->logical_volume_descriptor, |
1355 | 0 | (uint16_t *) &file_io_pool_entry, |
1356 | 0 | (uint64_t *) &volume_offset, |
1357 | 0 | error ) == -1 ) |
1358 | 0 | { |
1359 | 0 | libcerror_error_set( |
1360 | 0 | error, |
1361 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1362 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1363 | 0 | "%s: unable to retrieve first block number from logical volume descriptor.", |
1364 | 0 | function ); |
1365 | |
|
1366 | 0 | return( -1 ); |
1367 | 0 | } |
1368 | 0 | volume_offset *= internal_logical_volume->io_handle->block_size; |
1369 | |
|
1370 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1371 | | if( libcnotify_verbose != 0 ) |
1372 | | { |
1373 | | libcnotify_printf( |
1374 | | "Reading logical volume header at offset: %" PRIi64 " (0x%08" PRIx64 "):\n", |
1375 | | volume_offset + 1024, |
1376 | | volume_offset + 1024 ); |
1377 | | } |
1378 | | #endif |
1379 | 0 | result = libfvde_internal_logical_volume_open_read_volume_header( |
1380 | 0 | internal_logical_volume, |
1381 | 0 | file_io_pool, |
1382 | 0 | file_io_pool_entry, |
1383 | 0 | volume_offset + 1024, |
1384 | 0 | error ); |
1385 | |
|
1386 | 0 | if( result == -1 ) |
1387 | 0 | { |
1388 | 0 | libcerror_error_set( |
1389 | 0 | error, |
1390 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1391 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1392 | 0 | "%s: unable to read logical volume header.", |
1393 | 0 | function ); |
1394 | |
|
1395 | 0 | return( -1 ); |
1396 | 0 | } |
1397 | 0 | else if( result != 0 ) |
1398 | 0 | { |
1399 | 0 | internal_logical_volume->is_locked = 0; |
1400 | 0 | } |
1401 | 0 | } |
1402 | 0 | return( result ); |
1403 | 0 | } |
1404 | | |
1405 | | /* Unlocks the logical volume |
1406 | | * Returns 1 if the volume is unlocked, 0 if not or -1 on error |
1407 | | */ |
1408 | | int libfvde_logical_volume_unlock( |
1409 | | libfvde_logical_volume_t *logical_volume, |
1410 | | libcerror_error_t **error ) |
1411 | 0 | { |
1412 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
1413 | 0 | static char *function = "libfvde_logical_volume_unlock"; |
1414 | 0 | int result = 1; |
1415 | |
|
1416 | 0 | if( logical_volume == NULL ) |
1417 | 0 | { |
1418 | 0 | libcerror_error_set( |
1419 | 0 | error, |
1420 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1421 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1422 | 0 | "%s: invalid logical volume.", |
1423 | 0 | function ); |
1424 | |
|
1425 | 0 | return( -1 ); |
1426 | 0 | } |
1427 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
1428 | |
|
1429 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1430 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
1431 | 0 | internal_logical_volume->read_write_lock, |
1432 | 0 | error ) != 1 ) |
1433 | 0 | { |
1434 | 0 | libcerror_error_set( |
1435 | 0 | error, |
1436 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1437 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1438 | 0 | "%s: unable to grab read/write lock for writing.", |
1439 | 0 | function ); |
1440 | |
|
1441 | 0 | return( -1 ); |
1442 | 0 | } |
1443 | 0 | #endif |
1444 | 0 | if( internal_logical_volume->is_locked != 0 ) |
1445 | 0 | { |
1446 | 0 | result = libfvde_internal_logical_volume_unlock( |
1447 | 0 | internal_logical_volume, |
1448 | 0 | internal_logical_volume->file_io_pool, |
1449 | 0 | error ); |
1450 | |
|
1451 | 0 | if( result == -1 ) |
1452 | 0 | { |
1453 | 0 | libcerror_error_set( |
1454 | 0 | error, |
1455 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1456 | 0 | LIBCERROR_RUNTIME_ERROR_GENERIC, |
1457 | 0 | "%s: unable to unlock logical volume.", |
1458 | 0 | function ); |
1459 | |
|
1460 | 0 | result = -1; |
1461 | 0 | } |
1462 | 0 | } |
1463 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1464 | 0 | if( libcthreads_read_write_lock_release_for_write( |
1465 | 0 | internal_logical_volume->read_write_lock, |
1466 | 0 | error ) != 1 ) |
1467 | 0 | { |
1468 | 0 | libcerror_error_set( |
1469 | 0 | error, |
1470 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1471 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1472 | 0 | "%s: unable to release read/write lock for writing.", |
1473 | 0 | function ); |
1474 | |
|
1475 | 0 | return( -1 ); |
1476 | 0 | } |
1477 | 0 | #endif |
1478 | 0 | return( result ); |
1479 | 0 | } |
1480 | | |
1481 | | /* Reads data from the last current into a buffer using a Basic File IO (bfio) pool |
1482 | | * This function is not multi-thread safe acquire write lock before call |
1483 | | * Returns the number of bytes read or -1 on error |
1484 | | */ |
1485 | | ssize_t libfvde_internal_logical_volume_read_buffer_from_file_io_pool( |
1486 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
1487 | | libbfio_pool_t *file_io_pool, |
1488 | | void *buffer, |
1489 | | size_t buffer_size, |
1490 | | libcerror_error_t **error ) |
1491 | 0 | { |
1492 | 0 | libfvde_sector_data_t *sector_data = NULL; |
1493 | 0 | static char *function = "libfvde_internal_logical_volume_read_buffer_from_file_io_pool"; |
1494 | 0 | off64_t element_data_offset = 0; |
1495 | 0 | size_t buffer_offset = 0; |
1496 | 0 | size_t read_size = 0; |
1497 | 0 | size_t sector_data_offset = 0; |
1498 | |
|
1499 | 0 | if( internal_logical_volume == NULL ) |
1500 | 0 | { |
1501 | 0 | libcerror_error_set( |
1502 | 0 | error, |
1503 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1504 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1505 | 0 | "%s: invalid logical volume.", |
1506 | 0 | function ); |
1507 | |
|
1508 | 0 | return( -1 ); |
1509 | 0 | } |
1510 | 0 | if( internal_logical_volume->io_handle == NULL ) |
1511 | 0 | { |
1512 | 0 | libcerror_error_set( |
1513 | 0 | error, |
1514 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1515 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1516 | 0 | "%s: invalid logical volume - missing IO handle.", |
1517 | 0 | function ); |
1518 | |
|
1519 | 0 | return( -1 ); |
1520 | 0 | } |
1521 | 0 | if( internal_logical_volume->logical_volume_descriptor == NULL ) |
1522 | 0 | { |
1523 | 0 | libcerror_error_set( |
1524 | 0 | error, |
1525 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1526 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1527 | 0 | "%s: invalid logical volume - missing logical volume descriptor.", |
1528 | 0 | function ); |
1529 | |
|
1530 | 0 | return( -1 ); |
1531 | 0 | } |
1532 | 0 | if( internal_logical_volume->current_offset < 0 ) |
1533 | 0 | { |
1534 | 0 | libcerror_error_set( |
1535 | 0 | error, |
1536 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1537 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1538 | 0 | "%s: invalid logical volume - current offset value out of bounds.", |
1539 | 0 | function ); |
1540 | |
|
1541 | 0 | return( -1 ); |
1542 | 0 | } |
1543 | 0 | if( internal_logical_volume->is_locked != 0 ) |
1544 | 0 | { |
1545 | 0 | libcerror_error_set( |
1546 | 0 | error, |
1547 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1548 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1549 | 0 | "%s: invalid logical volume - volume is locked.", |
1550 | 0 | function ); |
1551 | |
|
1552 | 0 | return( -1 ); |
1553 | 0 | } |
1554 | 0 | if( buffer == NULL ) |
1555 | 0 | { |
1556 | 0 | libcerror_error_set( |
1557 | 0 | error, |
1558 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1559 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1560 | 0 | "%s: invalid buffer.", |
1561 | 0 | function ); |
1562 | |
|
1563 | 0 | return( -1 ); |
1564 | 0 | } |
1565 | 0 | if( buffer_size > (size_t) SSIZE_MAX ) |
1566 | 0 | { |
1567 | 0 | libcerror_error_set( |
1568 | 0 | error, |
1569 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1570 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
1571 | 0 | "%s: invalid buffer size value exceeds maximum.", |
1572 | 0 | function ); |
1573 | |
|
1574 | 0 | return( -1 ); |
1575 | 0 | } |
1576 | 0 | internal_logical_volume->io_handle->abort = 0; |
1577 | |
|
1578 | 0 | if( (size64_t) internal_logical_volume->current_offset >= internal_logical_volume->logical_volume_descriptor->size ) |
1579 | 0 | { |
1580 | 0 | return( 0 ); |
1581 | 0 | } |
1582 | 0 | if( (size64_t) buffer_size > ( internal_logical_volume->logical_volume_descriptor->size - internal_logical_volume->current_offset ) ) |
1583 | 0 | { |
1584 | 0 | buffer_size = (size_t) ( internal_logical_volume->logical_volume_descriptor->size - internal_logical_volume->current_offset ); |
1585 | 0 | } |
1586 | 0 | sector_data_offset = (size_t) ( internal_logical_volume->current_offset % internal_logical_volume->io_handle->bytes_per_sector ); |
1587 | |
|
1588 | 0 | while( buffer_offset < buffer_size ) |
1589 | 0 | { |
1590 | 0 | if( libfdata_vector_get_element_value_at_offset( |
1591 | 0 | internal_logical_volume->sectors_vector, |
1592 | 0 | (intptr_t *) file_io_pool, |
1593 | 0 | (libfdata_cache_t *) internal_logical_volume->sectors_cache, |
1594 | 0 | internal_logical_volume->current_offset, |
1595 | 0 | &element_data_offset, |
1596 | 0 | (intptr_t **) §or_data, |
1597 | 0 | 0, |
1598 | 0 | error ) != 1 ) |
1599 | 0 | { |
1600 | 0 | libcerror_error_set( |
1601 | 0 | error, |
1602 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1603 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1604 | 0 | "%s: unable to retrieve sector data at offset: %" PRIi64 " (0x%08 " PRIx64 ").", |
1605 | 0 | function, |
1606 | 0 | internal_logical_volume->current_offset, |
1607 | 0 | internal_logical_volume->current_offset ); |
1608 | |
|
1609 | 0 | return( -1 ); |
1610 | 0 | } |
1611 | 0 | if( sector_data == NULL ) |
1612 | 0 | { |
1613 | 0 | libcerror_error_set( |
1614 | 0 | error, |
1615 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1616 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1617 | 0 | "%s: missing sector data at offset: %" PRIi64 " (0x%08 " PRIx64 ").", |
1618 | 0 | function, |
1619 | 0 | internal_logical_volume->current_offset, |
1620 | 0 | internal_logical_volume->current_offset ); |
1621 | |
|
1622 | 0 | return( -1 ); |
1623 | 0 | } |
1624 | 0 | read_size = sector_data->data_size - sector_data_offset; |
1625 | |
|
1626 | 0 | if( read_size > ( buffer_size - buffer_offset ) ) |
1627 | 0 | { |
1628 | 0 | read_size = buffer_size - buffer_offset; |
1629 | 0 | } |
1630 | 0 | if( read_size == 0 ) |
1631 | 0 | { |
1632 | 0 | break; |
1633 | 0 | } |
1634 | 0 | if( memory_copy( |
1635 | 0 | &( ( (uint8_t *) buffer )[ buffer_offset ] ), |
1636 | 0 | &( ( sector_data->data )[ sector_data_offset ] ), |
1637 | 0 | read_size ) == NULL ) |
1638 | 0 | { |
1639 | 0 | libcerror_error_set( |
1640 | 0 | error, |
1641 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1642 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
1643 | 0 | "%s: unable to copy sector data to buffer.", |
1644 | 0 | function ); |
1645 | |
|
1646 | 0 | return( -1 ); |
1647 | 0 | } |
1648 | 0 | buffer_offset += read_size; |
1649 | 0 | sector_data_offset = 0; |
1650 | |
|
1651 | 0 | internal_logical_volume->current_offset += (off64_t) read_size; |
1652 | |
|
1653 | 0 | if( (size64_t) internal_logical_volume->current_offset >= internal_logical_volume->logical_volume_descriptor->size ) |
1654 | 0 | { |
1655 | 0 | break; |
1656 | 0 | } |
1657 | 0 | if( internal_logical_volume->io_handle->abort != 0 ) |
1658 | 0 | { |
1659 | 0 | break; |
1660 | 0 | } |
1661 | 0 | } |
1662 | 0 | return( (ssize_t) buffer_offset ); |
1663 | 0 | } |
1664 | | |
1665 | | /* Reads data at the current offset into a buffer |
1666 | | * Returns the number of bytes read or -1 on error |
1667 | | */ |
1668 | | ssize_t libfvde_logical_volume_read_buffer( |
1669 | | libfvde_logical_volume_t *logical_volume, |
1670 | | void *buffer, |
1671 | | size_t buffer_size, |
1672 | | libcerror_error_t **error ) |
1673 | 0 | { |
1674 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
1675 | 0 | static char *function = "libfvde_logical_volume_read_buffer"; |
1676 | 0 | ssize_t read_count = 0; |
1677 | |
|
1678 | 0 | if( logical_volume == NULL ) |
1679 | 0 | { |
1680 | 0 | libcerror_error_set( |
1681 | 0 | error, |
1682 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1683 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1684 | 0 | "%s: invalid logical volume.", |
1685 | 0 | function ); |
1686 | |
|
1687 | 0 | return( -1 ); |
1688 | 0 | } |
1689 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
1690 | |
|
1691 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1692 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
1693 | 0 | internal_logical_volume->read_write_lock, |
1694 | 0 | error ) != 1 ) |
1695 | 0 | { |
1696 | 0 | libcerror_error_set( |
1697 | 0 | error, |
1698 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1699 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1700 | 0 | "%s: unable to grab read/write lock for writing.", |
1701 | 0 | function ); |
1702 | |
|
1703 | 0 | return( -1 ); |
1704 | 0 | } |
1705 | 0 | #endif |
1706 | 0 | read_count = libfvde_internal_logical_volume_read_buffer_from_file_io_pool( |
1707 | 0 | internal_logical_volume, |
1708 | 0 | internal_logical_volume->file_io_pool, |
1709 | 0 | buffer, |
1710 | 0 | buffer_size, |
1711 | 0 | error ); |
1712 | |
|
1713 | 0 | if( read_count == -1 ) |
1714 | 0 | { |
1715 | 0 | libcerror_error_set( |
1716 | 0 | error, |
1717 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1718 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1719 | 0 | "%s: unable to read buffer.", |
1720 | 0 | function ); |
1721 | |
|
1722 | 0 | read_count = -1; |
1723 | 0 | } |
1724 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1725 | 0 | if( libcthreads_read_write_lock_release_for_write( |
1726 | 0 | internal_logical_volume->read_write_lock, |
1727 | 0 | error ) != 1 ) |
1728 | 0 | { |
1729 | 0 | libcerror_error_set( |
1730 | 0 | error, |
1731 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1732 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1733 | 0 | "%s: unable to release read/write lock for writing.", |
1734 | 0 | function ); |
1735 | |
|
1736 | 0 | return( -1 ); |
1737 | 0 | } |
1738 | 0 | #endif |
1739 | 0 | return( read_count ); |
1740 | 0 | } |
1741 | | |
1742 | | /* Reads data at a specific offset |
1743 | | * Returns the number of bytes read or -1 on error |
1744 | | */ |
1745 | | ssize_t libfvde_logical_volume_read_buffer_at_offset( |
1746 | | libfvde_logical_volume_t *logical_volume, |
1747 | | void *buffer, |
1748 | | size_t buffer_size, |
1749 | | off64_t offset, |
1750 | | libcerror_error_t **error ) |
1751 | 0 | { |
1752 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
1753 | 0 | static char *function = "libfvde_logical_volume_read_buffer_at_offset"; |
1754 | 0 | ssize_t read_count = 0; |
1755 | |
|
1756 | 0 | if( logical_volume == NULL ) |
1757 | 0 | { |
1758 | 0 | libcerror_error_set( |
1759 | 0 | error, |
1760 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1761 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1762 | 0 | "%s: invalid logical volume.", |
1763 | 0 | function ); |
1764 | |
|
1765 | 0 | return( -1 ); |
1766 | 0 | } |
1767 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
1768 | |
|
1769 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1770 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
1771 | 0 | internal_logical_volume->read_write_lock, |
1772 | 0 | error ) != 1 ) |
1773 | 0 | { |
1774 | 0 | libcerror_error_set( |
1775 | 0 | error, |
1776 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1777 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1778 | 0 | "%s: unable to grab read/write lock for writing.", |
1779 | 0 | function ); |
1780 | |
|
1781 | 0 | return( -1 ); |
1782 | 0 | } |
1783 | 0 | #endif |
1784 | 0 | if( libfvde_internal_logical_volume_seek_offset( |
1785 | 0 | internal_logical_volume, |
1786 | 0 | offset, |
1787 | 0 | SEEK_SET, |
1788 | 0 | error ) == -1 ) |
1789 | 0 | { |
1790 | 0 | libcerror_error_set( |
1791 | 0 | error, |
1792 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1793 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
1794 | 0 | "%s: unable to seek offset.", |
1795 | 0 | function ); |
1796 | |
|
1797 | 0 | read_count = -1; |
1798 | 0 | } |
1799 | 0 | else |
1800 | 0 | { |
1801 | 0 | read_count = libfvde_internal_logical_volume_read_buffer_from_file_io_pool( |
1802 | 0 | internal_logical_volume, |
1803 | 0 | internal_logical_volume->file_io_pool, |
1804 | 0 | buffer, |
1805 | 0 | buffer_size, |
1806 | 0 | error ); |
1807 | |
|
1808 | 0 | if( read_count == -1 ) |
1809 | 0 | { |
1810 | 0 | libcerror_error_set( |
1811 | 0 | error, |
1812 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1813 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1814 | 0 | "%s: unable to read buffer.", |
1815 | 0 | function ); |
1816 | |
|
1817 | 0 | read_count = -1; |
1818 | 0 | } |
1819 | 0 | } |
1820 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1821 | 0 | if( libcthreads_read_write_lock_release_for_write( |
1822 | 0 | internal_logical_volume->read_write_lock, |
1823 | 0 | error ) != 1 ) |
1824 | 0 | { |
1825 | 0 | libcerror_error_set( |
1826 | 0 | error, |
1827 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1828 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1829 | 0 | "%s: unable to release read/write lock for writing.", |
1830 | 0 | function ); |
1831 | |
|
1832 | 0 | return( -1 ); |
1833 | 0 | } |
1834 | 0 | #endif |
1835 | 0 | return( read_count ); |
1836 | 0 | } |
1837 | | |
1838 | | /* Seeks a certain offset of the data |
1839 | | * This function is not multi-thread safe acquire write lock before call |
1840 | | * Returns the offset if seek is successful or -1 on error |
1841 | | */ |
1842 | | off64_t libfvde_internal_logical_volume_seek_offset( |
1843 | | libfvde_internal_logical_volume_t *internal_logical_volume, |
1844 | | off64_t offset, |
1845 | | int whence, |
1846 | | libcerror_error_t **error ) |
1847 | 0 | { |
1848 | 0 | static char *function = "libfvde_internal_logical_volume_seek_offset"; |
1849 | |
|
1850 | 0 | if( internal_logical_volume == NULL ) |
1851 | 0 | { |
1852 | 0 | libcerror_error_set( |
1853 | 0 | error, |
1854 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1855 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1856 | 0 | "%s: invalid logical volume.", |
1857 | 0 | function ); |
1858 | |
|
1859 | 0 | return( -1 ); |
1860 | 0 | } |
1861 | 0 | if( internal_logical_volume->logical_volume_descriptor == NULL ) |
1862 | 0 | { |
1863 | 0 | libcerror_error_set( |
1864 | 0 | error, |
1865 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1866 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1867 | 0 | "%s: invalid logical volume - missing logical volume descriptor.", |
1868 | 0 | function ); |
1869 | |
|
1870 | 0 | return( -1 ); |
1871 | 0 | } |
1872 | 0 | if( internal_logical_volume->is_locked != 0 ) |
1873 | 0 | { |
1874 | 0 | libcerror_error_set( |
1875 | 0 | error, |
1876 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1877 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1878 | 0 | "%s: invalid logical volume - volume is locked.", |
1879 | 0 | function ); |
1880 | |
|
1881 | 0 | return( -1 ); |
1882 | 0 | } |
1883 | 0 | if( ( whence != SEEK_CUR ) |
1884 | 0 | && ( whence != SEEK_END ) |
1885 | 0 | && ( whence != SEEK_SET ) ) |
1886 | 0 | { |
1887 | 0 | libcerror_error_set( |
1888 | 0 | error, |
1889 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1890 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
1891 | 0 | "%s: unsupported whence.", |
1892 | 0 | function ); |
1893 | |
|
1894 | 0 | return( -1 ); |
1895 | 0 | } |
1896 | 0 | if( whence == SEEK_CUR ) |
1897 | 0 | { |
1898 | 0 | offset += internal_logical_volume->current_offset; |
1899 | 0 | } |
1900 | 0 | else if( whence == SEEK_END ) |
1901 | 0 | { |
1902 | 0 | offset += (off64_t) internal_logical_volume->logical_volume_descriptor->size; |
1903 | 0 | } |
1904 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1905 | | if( libcnotify_verbose != 0 ) |
1906 | | { |
1907 | | libcnotify_printf( |
1908 | | "%s: seeking media data offset: %" PRIi64 ".\n", |
1909 | | function, |
1910 | | offset ); |
1911 | | } |
1912 | | #endif |
1913 | 0 | if( offset < 0 ) |
1914 | 0 | { |
1915 | 0 | libcerror_error_set( |
1916 | 0 | error, |
1917 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1918 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1919 | 0 | "%s: invalid offset value out of bounds.", |
1920 | 0 | function ); |
1921 | |
|
1922 | 0 | return( -1 ); |
1923 | 0 | } |
1924 | 0 | internal_logical_volume->current_offset = offset; |
1925 | |
|
1926 | 0 | return( offset ); |
1927 | 0 | } |
1928 | | |
1929 | | /* Seeks a certain offset of the data |
1930 | | * Returns the offset if seek is successful or -1 on error |
1931 | | */ |
1932 | | off64_t libfvde_logical_volume_seek_offset( |
1933 | | libfvde_logical_volume_t *logical_volume, |
1934 | | off64_t offset, |
1935 | | int whence, |
1936 | | libcerror_error_t **error ) |
1937 | 0 | { |
1938 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
1939 | 0 | static char *function = "libfvde_logical_volume_seek_offset"; |
1940 | |
|
1941 | 0 | if( logical_volume == NULL ) |
1942 | 0 | { |
1943 | 0 | libcerror_error_set( |
1944 | 0 | error, |
1945 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1946 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1947 | 0 | "%s: invalid logical volume.", |
1948 | 0 | function ); |
1949 | |
|
1950 | 0 | return( -1 ); |
1951 | 0 | } |
1952 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
1953 | |
|
1954 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1955 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
1956 | 0 | internal_logical_volume->read_write_lock, |
1957 | 0 | error ) != 1 ) |
1958 | 0 | { |
1959 | 0 | libcerror_error_set( |
1960 | 0 | error, |
1961 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1962 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1963 | 0 | "%s: unable to grab read/write lock for writing.", |
1964 | 0 | function ); |
1965 | |
|
1966 | 0 | return( -1 ); |
1967 | 0 | } |
1968 | 0 | #endif |
1969 | 0 | offset = libfvde_internal_logical_volume_seek_offset( |
1970 | 0 | internal_logical_volume, |
1971 | 0 | offset, |
1972 | 0 | whence, |
1973 | 0 | error ); |
1974 | |
|
1975 | 0 | if( offset == -1 ) |
1976 | 0 | { |
1977 | 0 | libcerror_error_set( |
1978 | 0 | error, |
1979 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1980 | 0 | LIBCERROR_IO_ERROR_SEEK_FAILED, |
1981 | 0 | "%s: unable to seek offset.", |
1982 | 0 | function ); |
1983 | |
|
1984 | 0 | offset = -1; |
1985 | 0 | } |
1986 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
1987 | 0 | if( libcthreads_read_write_lock_release_for_write( |
1988 | 0 | internal_logical_volume->read_write_lock, |
1989 | 0 | error ) != 1 ) |
1990 | 0 | { |
1991 | 0 | libcerror_error_set( |
1992 | 0 | error, |
1993 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1994 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1995 | 0 | "%s: unable to release read/write lock for writing.", |
1996 | 0 | function ); |
1997 | |
|
1998 | 0 | return( -1 ); |
1999 | 0 | } |
2000 | 0 | #endif |
2001 | 0 | return( offset ); |
2002 | 0 | } |
2003 | | |
2004 | | /* Retrieves the current offset of the data |
2005 | | * Returns 1 if successful or -1 on error |
2006 | | */ |
2007 | | int libfvde_logical_volume_get_offset( |
2008 | | libfvde_logical_volume_t *logical_volume, |
2009 | | off64_t *offset, |
2010 | | libcerror_error_t **error ) |
2011 | 0 | { |
2012 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2013 | 0 | static char *function = "libfvde_logical_volume_get_offset"; |
2014 | |
|
2015 | 0 | if( logical_volume == NULL ) |
2016 | 0 | { |
2017 | 0 | libcerror_error_set( |
2018 | 0 | error, |
2019 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2020 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2021 | 0 | "%s: invalid logical volume.", |
2022 | 0 | function ); |
2023 | |
|
2024 | 0 | return( -1 ); |
2025 | 0 | } |
2026 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2027 | |
|
2028 | 0 | if( offset == NULL ) |
2029 | 0 | { |
2030 | 0 | libcerror_error_set( |
2031 | 0 | error, |
2032 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2033 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2034 | 0 | "%s: invalid offset.", |
2035 | 0 | function ); |
2036 | |
|
2037 | 0 | return( -1 ); |
2038 | 0 | } |
2039 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2040 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2041 | 0 | internal_logical_volume->read_write_lock, |
2042 | 0 | error ) != 1 ) |
2043 | 0 | { |
2044 | 0 | libcerror_error_set( |
2045 | 0 | error, |
2046 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2047 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2048 | 0 | "%s: unable to grab read/write lock for reading.", |
2049 | 0 | function ); |
2050 | |
|
2051 | 0 | return( -1 ); |
2052 | 0 | } |
2053 | 0 | #endif |
2054 | 0 | *offset = internal_logical_volume->current_offset; |
2055 | |
|
2056 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2057 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2058 | 0 | internal_logical_volume->read_write_lock, |
2059 | 0 | error ) != 1 ) |
2060 | 0 | { |
2061 | 0 | libcerror_error_set( |
2062 | 0 | error, |
2063 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2064 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2065 | 0 | "%s: unable to release read/write lock for reading.", |
2066 | 0 | function ); |
2067 | |
|
2068 | 0 | return( -1 ); |
2069 | 0 | } |
2070 | 0 | #endif |
2071 | 0 | return( 1 ); |
2072 | 0 | } |
2073 | | |
2074 | | /* Retrieves the logical volume identifier |
2075 | | * The identifier is a UUID and is 16 bytes of size |
2076 | | * Returns 1 if successful or -1 on error |
2077 | | */ |
2078 | | int libfvde_logical_volume_get_identifier( |
2079 | | libfvde_logical_volume_t *logical_volume, |
2080 | | uint8_t *uuid_data, |
2081 | | size_t uuid_data_size, |
2082 | | libcerror_error_t **error ) |
2083 | 0 | { |
2084 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2085 | 0 | static char *function = "libfvde_logical_volume_get_identifier"; |
2086 | 0 | int result = 1; |
2087 | |
|
2088 | 0 | if( logical_volume == NULL ) |
2089 | 0 | { |
2090 | 0 | libcerror_error_set( |
2091 | 0 | error, |
2092 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2093 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2094 | 0 | "%s: invalid logical volume.", |
2095 | 0 | function ); |
2096 | |
|
2097 | 0 | return( -1 ); |
2098 | 0 | } |
2099 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2100 | |
|
2101 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2102 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2103 | 0 | internal_logical_volume->read_write_lock, |
2104 | 0 | error ) != 1 ) |
2105 | 0 | { |
2106 | 0 | libcerror_error_set( |
2107 | 0 | error, |
2108 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2109 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2110 | 0 | "%s: unable to grab read/write lock for reading.", |
2111 | 0 | function ); |
2112 | |
|
2113 | 0 | return( -1 ); |
2114 | 0 | } |
2115 | 0 | #endif |
2116 | 0 | if( libfvde_logical_volume_descriptor_get_identifier( |
2117 | 0 | internal_logical_volume->logical_volume_descriptor, |
2118 | 0 | uuid_data, |
2119 | 0 | uuid_data_size, |
2120 | 0 | error ) != 1 ) |
2121 | 0 | { |
2122 | 0 | libcerror_error_set( |
2123 | 0 | error, |
2124 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2125 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2126 | 0 | "%s: unable to retrieve logical volume identifier from descriptor.", |
2127 | 0 | function ); |
2128 | |
|
2129 | 0 | result = -1; |
2130 | 0 | } |
2131 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2132 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2133 | 0 | internal_logical_volume->read_write_lock, |
2134 | 0 | error ) != 1 ) |
2135 | 0 | { |
2136 | 0 | libcerror_error_set( |
2137 | 0 | error, |
2138 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2139 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2140 | 0 | "%s: unable to release read/write lock for reading.", |
2141 | 0 | function ); |
2142 | |
|
2143 | 0 | return( -1 ); |
2144 | 0 | } |
2145 | 0 | #endif |
2146 | 0 | return( result ); |
2147 | 0 | } |
2148 | | |
2149 | | /* Retrieves the size of the UTF-8 encoded name |
2150 | | * The returned size includes the end of string character |
2151 | | * Returns 1 if successful, 0 if not available or -1 on error |
2152 | | */ |
2153 | | int libfvde_logical_volume_get_utf8_name_size( |
2154 | | libfvde_logical_volume_t *logical_volume, |
2155 | | size_t *utf8_string_size, |
2156 | | libcerror_error_t **error ) |
2157 | 0 | { |
2158 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2159 | 0 | static char *function = "libfvde_logical_volume_get_utf8_name_size"; |
2160 | 0 | int result = 0; |
2161 | |
|
2162 | 0 | if( logical_volume == NULL ) |
2163 | 0 | { |
2164 | 0 | libcerror_error_set( |
2165 | 0 | error, |
2166 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2167 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2168 | 0 | "%s: invalid logical volume.", |
2169 | 0 | function ); |
2170 | |
|
2171 | 0 | return( -1 ); |
2172 | 0 | } |
2173 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2174 | |
|
2175 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2176 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2177 | 0 | internal_logical_volume->read_write_lock, |
2178 | 0 | error ) != 1 ) |
2179 | 0 | { |
2180 | 0 | libcerror_error_set( |
2181 | 0 | error, |
2182 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2183 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2184 | 0 | "%s: unable to grab read/write lock for writing.", |
2185 | 0 | function ); |
2186 | |
|
2187 | 0 | return( -1 ); |
2188 | 0 | } |
2189 | 0 | #endif |
2190 | 0 | result = libfvde_logical_volume_descriptor_get_utf8_name_size( |
2191 | 0 | internal_logical_volume->logical_volume_descriptor, |
2192 | 0 | utf8_string_size, |
2193 | 0 | error ); |
2194 | |
|
2195 | 0 | if( result == -1 ) |
2196 | 0 | { |
2197 | 0 | libcerror_error_set( |
2198 | 0 | error, |
2199 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2200 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2201 | 0 | "%s: unable to retrieve size of UTF-8 volume group name from descriptor.", |
2202 | 0 | function ); |
2203 | |
|
2204 | 0 | result = -1; |
2205 | 0 | } |
2206 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2207 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2208 | 0 | internal_logical_volume->read_write_lock, |
2209 | 0 | error ) != 1 ) |
2210 | 0 | { |
2211 | 0 | libcerror_error_set( |
2212 | 0 | error, |
2213 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2214 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2215 | 0 | "%s: unable to release read/write lock for writing.", |
2216 | 0 | function ); |
2217 | |
|
2218 | 0 | return( -1 ); |
2219 | 0 | } |
2220 | 0 | #endif |
2221 | 0 | return( result ); |
2222 | 0 | } |
2223 | | |
2224 | | /* Retrieves the UTF-8 encoded name |
2225 | | * The size should include the end of string character |
2226 | | * Returns 1 if successful, 0 if not available or -1 on error |
2227 | | */ |
2228 | | int libfvde_logical_volume_get_utf8_name( |
2229 | | libfvde_logical_volume_t *logical_volume, |
2230 | | uint8_t *utf8_string, |
2231 | | size_t utf8_string_size, |
2232 | | libcerror_error_t **error ) |
2233 | 0 | { |
2234 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2235 | 0 | static char *function = "libfvde_logical_volume_get_utf8_name"; |
2236 | 0 | int result = 0; |
2237 | |
|
2238 | 0 | if( logical_volume == NULL ) |
2239 | 0 | { |
2240 | 0 | libcerror_error_set( |
2241 | 0 | error, |
2242 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2243 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2244 | 0 | "%s: invalid logical volume.", |
2245 | 0 | function ); |
2246 | |
|
2247 | 0 | return( -1 ); |
2248 | 0 | } |
2249 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2250 | |
|
2251 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2252 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2253 | 0 | internal_logical_volume->read_write_lock, |
2254 | 0 | error ) != 1 ) |
2255 | 0 | { |
2256 | 0 | libcerror_error_set( |
2257 | 0 | error, |
2258 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2259 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2260 | 0 | "%s: unable to grab read/write lock for writing.", |
2261 | 0 | function ); |
2262 | |
|
2263 | 0 | return( -1 ); |
2264 | 0 | } |
2265 | 0 | #endif |
2266 | 0 | result = libfvde_logical_volume_descriptor_get_utf8_name( |
2267 | 0 | internal_logical_volume->logical_volume_descriptor, |
2268 | 0 | utf8_string, |
2269 | 0 | utf8_string_size, |
2270 | 0 | error ); |
2271 | |
|
2272 | 0 | if( result == -1 ) |
2273 | 0 | { |
2274 | 0 | libcerror_error_set( |
2275 | 0 | error, |
2276 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2277 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2278 | 0 | "%s: unable to retrieve UTF-8 volume group name from descriptor.", |
2279 | 0 | function ); |
2280 | |
|
2281 | 0 | result = -1; |
2282 | 0 | } |
2283 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2284 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2285 | 0 | internal_logical_volume->read_write_lock, |
2286 | 0 | error ) != 1 ) |
2287 | 0 | { |
2288 | 0 | libcerror_error_set( |
2289 | 0 | error, |
2290 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2291 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2292 | 0 | "%s: unable to release read/write lock for writing.", |
2293 | 0 | function ); |
2294 | |
|
2295 | 0 | return( -1 ); |
2296 | 0 | } |
2297 | 0 | #endif |
2298 | 0 | return( result ); |
2299 | 0 | } |
2300 | | |
2301 | | /* Retrieves the size of the UTF-16 encoded name |
2302 | | * The returned size includes the end of string character |
2303 | | * Returns 1 if successful, 0 if not available or -1 on error |
2304 | | */ |
2305 | | int libfvde_logical_volume_get_utf16_name_size( |
2306 | | libfvde_logical_volume_t *logical_volume, |
2307 | | size_t *utf16_string_size, |
2308 | | libcerror_error_t **error ) |
2309 | 0 | { |
2310 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2311 | 0 | static char *function = "libfvde_logical_volume_get_utf16_name_size"; |
2312 | 0 | int result = 0; |
2313 | |
|
2314 | 0 | if( logical_volume == NULL ) |
2315 | 0 | { |
2316 | 0 | libcerror_error_set( |
2317 | 0 | error, |
2318 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2319 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2320 | 0 | "%s: invalid logical volume.", |
2321 | 0 | function ); |
2322 | |
|
2323 | 0 | return( -1 ); |
2324 | 0 | } |
2325 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2326 | |
|
2327 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2328 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2329 | 0 | internal_logical_volume->read_write_lock, |
2330 | 0 | error ) != 1 ) |
2331 | 0 | { |
2332 | 0 | libcerror_error_set( |
2333 | 0 | error, |
2334 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2335 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2336 | 0 | "%s: unable to grab read/write lock for writing.", |
2337 | 0 | function ); |
2338 | |
|
2339 | 0 | return( -1 ); |
2340 | 0 | } |
2341 | 0 | #endif |
2342 | 0 | result = libfvde_logical_volume_descriptor_get_utf16_name_size( |
2343 | 0 | internal_logical_volume->logical_volume_descriptor, |
2344 | 0 | utf16_string_size, |
2345 | 0 | error ); |
2346 | |
|
2347 | 0 | if( result == -1 ) |
2348 | 0 | { |
2349 | 0 | libcerror_error_set( |
2350 | 0 | error, |
2351 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2352 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2353 | 0 | "%s: unable to retrieve size of UTF-16 volume group name from descriptor.", |
2354 | 0 | function ); |
2355 | |
|
2356 | 0 | result = -1; |
2357 | 0 | } |
2358 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2359 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2360 | 0 | internal_logical_volume->read_write_lock, |
2361 | 0 | error ) != 1 ) |
2362 | 0 | { |
2363 | 0 | libcerror_error_set( |
2364 | 0 | error, |
2365 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2366 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2367 | 0 | "%s: unable to release read/write lock for writing.", |
2368 | 0 | function ); |
2369 | |
|
2370 | 0 | return( -1 ); |
2371 | 0 | } |
2372 | 0 | #endif |
2373 | 0 | return( result ); |
2374 | 0 | } |
2375 | | |
2376 | | /* Retrieves the UTF-16 encoded name |
2377 | | * The size should include the end of string character |
2378 | | * Returns 1 if successful, 0 if not available or -1 on error |
2379 | | */ |
2380 | | int libfvde_logical_volume_get_utf16_name( |
2381 | | libfvde_logical_volume_t *logical_volume, |
2382 | | uint16_t *utf16_string, |
2383 | | size_t utf16_string_size, |
2384 | | libcerror_error_t **error ) |
2385 | 0 | { |
2386 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2387 | 0 | static char *function = "libfvde_logical_volume_get_utf16_name"; |
2388 | 0 | int result = 0; |
2389 | |
|
2390 | 0 | if( logical_volume == NULL ) |
2391 | 0 | { |
2392 | 0 | libcerror_error_set( |
2393 | 0 | error, |
2394 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2395 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2396 | 0 | "%s: invalid logical volume.", |
2397 | 0 | function ); |
2398 | |
|
2399 | 0 | return( -1 ); |
2400 | 0 | } |
2401 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2402 | |
|
2403 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2404 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2405 | 0 | internal_logical_volume->read_write_lock, |
2406 | 0 | error ) != 1 ) |
2407 | 0 | { |
2408 | 0 | libcerror_error_set( |
2409 | 0 | error, |
2410 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2411 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2412 | 0 | "%s: unable to grab read/write lock for writing.", |
2413 | 0 | function ); |
2414 | |
|
2415 | 0 | return( -1 ); |
2416 | 0 | } |
2417 | 0 | #endif |
2418 | 0 | result = libfvde_logical_volume_descriptor_get_utf16_name( |
2419 | 0 | internal_logical_volume->logical_volume_descriptor, |
2420 | 0 | utf16_string, |
2421 | 0 | utf16_string_size, |
2422 | 0 | error ); |
2423 | |
|
2424 | 0 | if( result == -1 ) |
2425 | 0 | { |
2426 | 0 | libcerror_error_set( |
2427 | 0 | error, |
2428 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2429 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2430 | 0 | "%s: unable to retrieve UTF-16 volume group name from descriptor.", |
2431 | 0 | function ); |
2432 | |
|
2433 | 0 | result = -1; |
2434 | 0 | } |
2435 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2436 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2437 | 0 | internal_logical_volume->read_write_lock, |
2438 | 0 | error ) != 1 ) |
2439 | 0 | { |
2440 | 0 | libcerror_error_set( |
2441 | 0 | error, |
2442 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2443 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2444 | 0 | "%s: unable to release read/write lock for writing.", |
2445 | 0 | function ); |
2446 | |
|
2447 | 0 | return( -1 ); |
2448 | 0 | } |
2449 | 0 | #endif |
2450 | 0 | return( result ); |
2451 | 0 | } |
2452 | | |
2453 | | /* Retrieves the volume size |
2454 | | * Returns 1 if successful or -1 on error |
2455 | | */ |
2456 | | int libfvde_logical_volume_get_size( |
2457 | | libfvde_logical_volume_t *logical_volume, |
2458 | | size64_t *size, |
2459 | | libcerror_error_t **error ) |
2460 | 0 | { |
2461 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2462 | 0 | static char *function = "libfvde_logical_volume_get_size"; |
2463 | |
|
2464 | 0 | if( logical_volume == NULL ) |
2465 | 0 | { |
2466 | 0 | libcerror_error_set( |
2467 | 0 | error, |
2468 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2469 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2470 | 0 | "%s: invalid logical volume.", |
2471 | 0 | function ); |
2472 | |
|
2473 | 0 | return( -1 ); |
2474 | 0 | } |
2475 | 0 | if( size == NULL ) |
2476 | 0 | { |
2477 | 0 | libcerror_error_set( |
2478 | 0 | error, |
2479 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2480 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2481 | 0 | "%s: invalid size.", |
2482 | 0 | function ); |
2483 | |
|
2484 | 0 | return( -1 ); |
2485 | 0 | } |
2486 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2487 | |
|
2488 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2489 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2490 | 0 | internal_logical_volume->read_write_lock, |
2491 | 0 | error ) != 1 ) |
2492 | 0 | { |
2493 | 0 | libcerror_error_set( |
2494 | 0 | error, |
2495 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2496 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2497 | 0 | "%s: unable to grab read/write lock for reading.", |
2498 | 0 | function ); |
2499 | |
|
2500 | 0 | return( -1 ); |
2501 | 0 | } |
2502 | 0 | #endif |
2503 | 0 | *size = internal_logical_volume->volume_size; |
2504 | |
|
2505 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2506 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2507 | 0 | internal_logical_volume->read_write_lock, |
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 release read/write lock for reading.", |
2515 | 0 | function ); |
2516 | |
|
2517 | 0 | return( -1 ); |
2518 | 0 | } |
2519 | 0 | #endif |
2520 | 0 | return( 1 ); |
2521 | 0 | } |
2522 | | |
2523 | | /* Determines if the logical volume is locked |
2524 | | * Returns 1 if locked, 0 if not or -1 on error |
2525 | | */ |
2526 | | int libfvde_logical_volume_is_locked( |
2527 | | libfvde_logical_volume_t *logical_volume, |
2528 | | libcerror_error_t **error ) |
2529 | 0 | { |
2530 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2531 | 0 | static char *function = "libfvde_logical_volume_is_locked"; |
2532 | 0 | uint8_t is_locked = 0; |
2533 | |
|
2534 | 0 | if( logical_volume == NULL ) |
2535 | 0 | { |
2536 | 0 | libcerror_error_set( |
2537 | 0 | error, |
2538 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2539 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2540 | 0 | "%s: invalid logical volume.", |
2541 | 0 | function ); |
2542 | |
|
2543 | 0 | return( -1 ); |
2544 | 0 | } |
2545 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2546 | |
|
2547 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2548 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2549 | 0 | internal_logical_volume->read_write_lock, |
2550 | 0 | error ) != 1 ) |
2551 | 0 | { |
2552 | 0 | libcerror_error_set( |
2553 | 0 | error, |
2554 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2555 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2556 | 0 | "%s: unable to grab read/write lock for reading.", |
2557 | 0 | function ); |
2558 | |
|
2559 | 0 | return( -1 ); |
2560 | 0 | } |
2561 | 0 | #endif |
2562 | 0 | is_locked = internal_logical_volume->is_locked; |
2563 | |
|
2564 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2565 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2566 | 0 | internal_logical_volume->read_write_lock, |
2567 | 0 | error ) != 1 ) |
2568 | 0 | { |
2569 | 0 | libcerror_error_set( |
2570 | 0 | error, |
2571 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2572 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2573 | 0 | "%s: unable to release read/write lock for reading.", |
2574 | 0 | function ); |
2575 | |
|
2576 | 0 | return( -1 ); |
2577 | 0 | } |
2578 | 0 | #endif |
2579 | 0 | return( is_locked ); |
2580 | 0 | } |
2581 | | |
2582 | | /* Sets the key |
2583 | | * This function needs to be used before the unlock function |
2584 | | * Returns 1 if successful or -1 on error |
2585 | | */ |
2586 | | int libfvde_logical_volume_set_key( |
2587 | | libfvde_logical_volume_t *logical_volume, |
2588 | | const uint8_t *volume_master_key, |
2589 | | size_t volume_master_key_size, |
2590 | | libcerror_error_t **error ) |
2591 | 0 | { |
2592 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2593 | 0 | static char *function = "libfvde_logical_volume_set_key"; |
2594 | 0 | int result = 1; |
2595 | |
|
2596 | 0 | if( logical_volume == NULL ) |
2597 | 0 | { |
2598 | 0 | libcerror_error_set( |
2599 | 0 | error, |
2600 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2601 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2602 | 0 | "%s: invalid logical volume.", |
2603 | 0 | function ); |
2604 | |
|
2605 | 0 | return( -1 ); |
2606 | 0 | } |
2607 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2608 | |
|
2609 | 0 | if( internal_logical_volume->keyring == NULL ) |
2610 | 0 | { |
2611 | 0 | libcerror_error_set( |
2612 | 0 | error, |
2613 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2614 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2615 | 0 | "%s: invalid logical volume - missing keyring handle.", |
2616 | 0 | function ); |
2617 | |
|
2618 | 0 | return( -1 ); |
2619 | 0 | } |
2620 | 0 | if( volume_master_key == NULL ) |
2621 | 0 | { |
2622 | 0 | libcerror_error_set( |
2623 | 0 | error, |
2624 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2625 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2626 | 0 | "%s: invalid volume master key.", |
2627 | 0 | function ); |
2628 | |
|
2629 | 0 | return( -1 ); |
2630 | 0 | } |
2631 | 0 | if( volume_master_key_size != 16 ) |
2632 | 0 | { |
2633 | 0 | libcerror_error_set( |
2634 | 0 | error, |
2635 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2636 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
2637 | 0 | "%s: unsupported volume master key size.", |
2638 | 0 | function ); |
2639 | |
|
2640 | 0 | return( -1 ); |
2641 | 0 | } |
2642 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2643 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2644 | 0 | internal_logical_volume->read_write_lock, |
2645 | 0 | error ) != 1 ) |
2646 | 0 | { |
2647 | 0 | libcerror_error_set( |
2648 | 0 | error, |
2649 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2650 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2651 | 0 | "%s: unable to grab read/write lock for writing.", |
2652 | 0 | function ); |
2653 | |
|
2654 | 0 | return( -1 ); |
2655 | 0 | } |
2656 | 0 | #endif |
2657 | 0 | if( memory_copy( |
2658 | 0 | internal_logical_volume->keyring->volume_master_key, |
2659 | 0 | volume_master_key, |
2660 | 0 | 16 ) == NULL ) |
2661 | 0 | { |
2662 | 0 | libcerror_error_set( |
2663 | 0 | error, |
2664 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2665 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
2666 | 0 | "%s: unable to copy volume master key to keyring.", |
2667 | 0 | function ); |
2668 | |
|
2669 | 0 | result = -1; |
2670 | 0 | } |
2671 | 0 | else |
2672 | 0 | { |
2673 | 0 | internal_logical_volume->volume_master_key_is_set = 1; |
2674 | 0 | } |
2675 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2676 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2677 | 0 | internal_logical_volume->read_write_lock, |
2678 | 0 | error ) != 1 ) |
2679 | 0 | { |
2680 | 0 | libcerror_error_set( |
2681 | 0 | error, |
2682 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2683 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2684 | 0 | "%s: unable to release read/write lock for writing.", |
2685 | 0 | function ); |
2686 | |
|
2687 | 0 | return( -1 ); |
2688 | 0 | } |
2689 | 0 | #endif |
2690 | 0 | return( result ); |
2691 | 0 | } |
2692 | | |
2693 | | /* Sets an UTF-8 formatted password |
2694 | | * This function needs to be used before the unlock function |
2695 | | * Returns 1 if successful, 0 if password is invalid or -1 on error |
2696 | | */ |
2697 | | int libfvde_logical_volume_set_utf8_password( |
2698 | | libfvde_logical_volume_t *logical_volume, |
2699 | | const uint8_t *utf8_string, |
2700 | | size_t utf8_string_length, |
2701 | | libcerror_error_t **error ) |
2702 | 0 | { |
2703 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2704 | 0 | static char *function = "libfvde_logical_volume_set_utf8_password"; |
2705 | 0 | int result = 1; |
2706 | |
|
2707 | 0 | if( logical_volume == NULL ) |
2708 | 0 | { |
2709 | 0 | libcerror_error_set( |
2710 | 0 | error, |
2711 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2712 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2713 | 0 | "%s: invalid logical volume.", |
2714 | 0 | function ); |
2715 | |
|
2716 | 0 | return( -1 ); |
2717 | 0 | } |
2718 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2719 | |
|
2720 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2721 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2722 | 0 | internal_logical_volume->read_write_lock, |
2723 | 0 | error ) != 1 ) |
2724 | 0 | { |
2725 | 0 | libcerror_error_set( |
2726 | 0 | error, |
2727 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2728 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2729 | 0 | "%s: unable to grab read/write lock for writing.", |
2730 | 0 | function ); |
2731 | |
|
2732 | 0 | return( -1 ); |
2733 | 0 | } |
2734 | 0 | #endif |
2735 | 0 | if( internal_logical_volume->user_password != NULL ) |
2736 | 0 | { |
2737 | 0 | if( memory_set( |
2738 | 0 | internal_logical_volume->user_password, |
2739 | 0 | 0, |
2740 | 0 | internal_logical_volume->user_password_size ) == NULL ) |
2741 | 0 | { |
2742 | 0 | libcerror_error_set( |
2743 | 0 | error, |
2744 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2745 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2746 | 0 | "%s: unable to clear user password.", |
2747 | 0 | function ); |
2748 | |
|
2749 | 0 | result = -1; |
2750 | 0 | } |
2751 | 0 | memory_free( |
2752 | 0 | internal_logical_volume->user_password ); |
2753 | |
|
2754 | 0 | internal_logical_volume->user_password = NULL; |
2755 | 0 | internal_logical_volume->user_password_size = 0; |
2756 | 0 | } |
2757 | 0 | if( result == 1 ) |
2758 | 0 | { |
2759 | 0 | if( libfvde_password_copy_from_utf8_string( |
2760 | 0 | &( internal_logical_volume->user_password ), |
2761 | 0 | &( internal_logical_volume->user_password_size ), |
2762 | 0 | utf8_string, |
2763 | 0 | utf8_string_length, |
2764 | 0 | error ) != 1 ) |
2765 | 0 | { |
2766 | 0 | libcerror_error_set( |
2767 | 0 | error, |
2768 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2769 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2770 | 0 | "%s: unable to set user password.", |
2771 | 0 | function ); |
2772 | |
|
2773 | 0 | result = -1; |
2774 | 0 | } |
2775 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2776 | | else if( libcnotify_verbose != 0 ) |
2777 | | { |
2778 | | libcnotify_printf( |
2779 | | "%s: user password: %s\n", |
2780 | | function, |
2781 | | internal_logical_volume->user_password ); |
2782 | | } |
2783 | | #endif |
2784 | 0 | } |
2785 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2786 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2787 | 0 | internal_logical_volume->read_write_lock, |
2788 | 0 | error ) != 1 ) |
2789 | 0 | { |
2790 | 0 | libcerror_error_set( |
2791 | 0 | error, |
2792 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2793 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2794 | 0 | "%s: unable to release read/write lock for writing.", |
2795 | 0 | function ); |
2796 | |
|
2797 | 0 | return( -1 ); |
2798 | 0 | } |
2799 | 0 | #endif |
2800 | 0 | return( result ); |
2801 | 0 | } |
2802 | | |
2803 | | /* Sets an UTF-16 formatted password |
2804 | | * This function needs to be used before the unlock function |
2805 | | * Returns 1 if successful, 0 if password is invalid or -1 on error |
2806 | | */ |
2807 | | int libfvde_logical_volume_set_utf16_password( |
2808 | | libfvde_logical_volume_t *logical_volume, |
2809 | | const uint16_t *utf16_string, |
2810 | | size_t utf16_string_length, |
2811 | | libcerror_error_t **error ) |
2812 | 0 | { |
2813 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2814 | 0 | static char *function = "libfvde_logical_volume_set_utf16_password"; |
2815 | 0 | int result = 1; |
2816 | |
|
2817 | 0 | if( logical_volume == NULL ) |
2818 | 0 | { |
2819 | 0 | libcerror_error_set( |
2820 | 0 | error, |
2821 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2822 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2823 | 0 | "%s: invalid logical volume.", |
2824 | 0 | function ); |
2825 | |
|
2826 | 0 | return( -1 ); |
2827 | 0 | } |
2828 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2829 | |
|
2830 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2831 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2832 | 0 | internal_logical_volume->read_write_lock, |
2833 | 0 | error ) != 1 ) |
2834 | 0 | { |
2835 | 0 | libcerror_error_set( |
2836 | 0 | error, |
2837 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2838 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2839 | 0 | "%s: unable to grab read/write lock for writing.", |
2840 | 0 | function ); |
2841 | |
|
2842 | 0 | return( -1 ); |
2843 | 0 | } |
2844 | 0 | #endif |
2845 | 0 | if( internal_logical_volume->user_password != NULL ) |
2846 | 0 | { |
2847 | 0 | if( memory_set( |
2848 | 0 | internal_logical_volume->user_password, |
2849 | 0 | 0, |
2850 | 0 | internal_logical_volume->user_password_size ) == NULL ) |
2851 | 0 | { |
2852 | 0 | libcerror_error_set( |
2853 | 0 | error, |
2854 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2855 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2856 | 0 | "%s: unable to clear user password.", |
2857 | 0 | function ); |
2858 | |
|
2859 | 0 | result = -1; |
2860 | 0 | } |
2861 | 0 | memory_free( |
2862 | 0 | internal_logical_volume->user_password ); |
2863 | |
|
2864 | 0 | internal_logical_volume->user_password = NULL; |
2865 | 0 | internal_logical_volume->user_password_size = 0; |
2866 | 0 | } |
2867 | 0 | if( result == 1 ) |
2868 | 0 | { |
2869 | 0 | if( libfvde_password_copy_from_utf16_string( |
2870 | 0 | &( internal_logical_volume->user_password ), |
2871 | 0 | &( internal_logical_volume->user_password_size ), |
2872 | 0 | utf16_string, |
2873 | 0 | utf16_string_length, |
2874 | 0 | error ) != 1 ) |
2875 | 0 | { |
2876 | 0 | libcerror_error_set( |
2877 | 0 | error, |
2878 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2879 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2880 | 0 | "%s: unable to set user password.", |
2881 | 0 | function ); |
2882 | |
|
2883 | 0 | result = -1; |
2884 | 0 | } |
2885 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2886 | | else if( libcnotify_verbose != 0 ) |
2887 | | { |
2888 | | libcnotify_printf( |
2889 | | "%s: user password: %s\n", |
2890 | | function, |
2891 | | internal_logical_volume->user_password ); |
2892 | | } |
2893 | | #endif |
2894 | 0 | } |
2895 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2896 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2897 | 0 | internal_logical_volume->read_write_lock, |
2898 | 0 | error ) != 1 ) |
2899 | 0 | { |
2900 | 0 | libcerror_error_set( |
2901 | 0 | error, |
2902 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2903 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2904 | 0 | "%s: unable to release read/write lock for writing.", |
2905 | 0 | function ); |
2906 | |
|
2907 | 0 | return( -1 ); |
2908 | 0 | } |
2909 | 0 | #endif |
2910 | 0 | return( result ); |
2911 | 0 | } |
2912 | | |
2913 | | /* Sets an UTF-8 formatted recovery password |
2914 | | * This function needs to be used before the unlock function |
2915 | | * Returns 1 if successful, 0 if recovery password is invalid or -1 on error |
2916 | | */ |
2917 | | int libfvde_logical_volume_set_utf8_recovery_password( |
2918 | | libfvde_logical_volume_t *logical_volume, |
2919 | | const uint8_t *utf8_string, |
2920 | | size_t utf8_string_length, |
2921 | | libcerror_error_t **error ) |
2922 | 0 | { |
2923 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
2924 | 0 | static char *function = "libfvde_logical_volume_set_utf8_recovery_password"; |
2925 | 0 | int result = 1; |
2926 | |
|
2927 | 0 | if( logical_volume == NULL ) |
2928 | 0 | { |
2929 | 0 | libcerror_error_set( |
2930 | 0 | error, |
2931 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2932 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2933 | 0 | "%s: invalid logical volume.", |
2934 | 0 | function ); |
2935 | |
|
2936 | 0 | return( -1 ); |
2937 | 0 | } |
2938 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
2939 | |
|
2940 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
2941 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2942 | 0 | internal_logical_volume->read_write_lock, |
2943 | 0 | error ) != 1 ) |
2944 | 0 | { |
2945 | 0 | libcerror_error_set( |
2946 | 0 | error, |
2947 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2948 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2949 | 0 | "%s: unable to grab read/write lock for writing.", |
2950 | 0 | function ); |
2951 | |
|
2952 | 0 | return( -1 ); |
2953 | 0 | } |
2954 | 0 | #endif |
2955 | 0 | if( internal_logical_volume->recovery_password != NULL ) |
2956 | 0 | { |
2957 | 0 | if( memory_set( |
2958 | 0 | internal_logical_volume->recovery_password, |
2959 | 0 | 0, |
2960 | 0 | internal_logical_volume->recovery_password_size ) == NULL ) |
2961 | 0 | { |
2962 | 0 | libcerror_error_set( |
2963 | 0 | error, |
2964 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2965 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2966 | 0 | "%s: unable to clear recovery password.", |
2967 | 0 | function ); |
2968 | |
|
2969 | 0 | result = -1; |
2970 | 0 | } |
2971 | 0 | memory_free( |
2972 | 0 | internal_logical_volume->recovery_password ); |
2973 | |
|
2974 | 0 | internal_logical_volume->recovery_password = NULL; |
2975 | 0 | internal_logical_volume->recovery_password_size = 0; |
2976 | 0 | } |
2977 | 0 | if( result == 1 ) |
2978 | 0 | { |
2979 | 0 | if( libfvde_password_copy_from_utf8_string( |
2980 | 0 | &( internal_logical_volume->recovery_password ), |
2981 | 0 | &( internal_logical_volume->recovery_password_size ), |
2982 | 0 | utf8_string, |
2983 | 0 | utf8_string_length, |
2984 | 0 | error ) != 1 ) |
2985 | 0 | { |
2986 | 0 | libcerror_error_set( |
2987 | 0 | error, |
2988 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2989 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2990 | 0 | "%s: unable to set recovery password.", |
2991 | 0 | function ); |
2992 | |
|
2993 | 0 | result = -1; |
2994 | 0 | } |
2995 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2996 | | else if( libcnotify_verbose != 0 ) |
2997 | | { |
2998 | | libcnotify_printf( |
2999 | | "%s: recovery password: %s\n", |
3000 | | function, |
3001 | | internal_logical_volume->recovery_password ); |
3002 | | } |
3003 | | #endif |
3004 | 0 | } |
3005 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
3006 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3007 | 0 | internal_logical_volume->read_write_lock, |
3008 | 0 | error ) != 1 ) |
3009 | 0 | { |
3010 | 0 | libcerror_error_set( |
3011 | 0 | error, |
3012 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3013 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3014 | 0 | "%s: unable to release read/write lock for writing.", |
3015 | 0 | function ); |
3016 | |
|
3017 | 0 | return( -1 ); |
3018 | 0 | } |
3019 | 0 | #endif |
3020 | 0 | return( result ); |
3021 | 0 | } |
3022 | | |
3023 | | /* Sets an UTF-16 formatted recovery password |
3024 | | * This function needs to be used before the unlock function |
3025 | | * Returns 1 if successful, 0 if recovery password is invalid or -1 on error |
3026 | | */ |
3027 | | int libfvde_logical_volume_set_utf16_recovery_password( |
3028 | | libfvde_logical_volume_t *logical_volume, |
3029 | | const uint16_t *utf16_string, |
3030 | | size_t utf16_string_length, |
3031 | | libcerror_error_t **error ) |
3032 | 0 | { |
3033 | 0 | libfvde_internal_logical_volume_t *internal_logical_volume = NULL; |
3034 | 0 | static char *function = "libfvde_logical_volume_set_utf16_recovery_password"; |
3035 | 0 | int result = 1; |
3036 | |
|
3037 | 0 | if( logical_volume == NULL ) |
3038 | 0 | { |
3039 | 0 | libcerror_error_set( |
3040 | 0 | error, |
3041 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3042 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3043 | 0 | "%s: invalid logical volume.", |
3044 | 0 | function ); |
3045 | |
|
3046 | 0 | return( -1 ); |
3047 | 0 | } |
3048 | 0 | internal_logical_volume = (libfvde_internal_logical_volume_t *) logical_volume; |
3049 | |
|
3050 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
3051 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
3052 | 0 | internal_logical_volume->read_write_lock, |
3053 | 0 | error ) != 1 ) |
3054 | 0 | { |
3055 | 0 | libcerror_error_set( |
3056 | 0 | error, |
3057 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3058 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3059 | 0 | "%s: unable to grab read/write lock for writing.", |
3060 | 0 | function ); |
3061 | |
|
3062 | 0 | return( -1 ); |
3063 | 0 | } |
3064 | 0 | #endif |
3065 | 0 | if( internal_logical_volume->recovery_password != NULL ) |
3066 | 0 | { |
3067 | 0 | if( memory_set( |
3068 | 0 | internal_logical_volume->recovery_password, |
3069 | 0 | 0, |
3070 | 0 | internal_logical_volume->recovery_password_size ) == NULL ) |
3071 | 0 | { |
3072 | 0 | libcerror_error_set( |
3073 | 0 | error, |
3074 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3075 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
3076 | 0 | "%s: unable to clear recovery password.", |
3077 | 0 | function ); |
3078 | |
|
3079 | 0 | result = -1; |
3080 | 0 | } |
3081 | 0 | memory_free( |
3082 | 0 | internal_logical_volume->recovery_password ); |
3083 | |
|
3084 | 0 | internal_logical_volume->recovery_password = NULL; |
3085 | 0 | internal_logical_volume->recovery_password_size = 0; |
3086 | 0 | } |
3087 | 0 | if( result == 1 ) |
3088 | 0 | { |
3089 | 0 | if( libfvde_password_copy_from_utf16_string( |
3090 | 0 | &( internal_logical_volume->recovery_password ), |
3091 | 0 | &( internal_logical_volume->recovery_password_size ), |
3092 | 0 | utf16_string, |
3093 | 0 | utf16_string_length, |
3094 | 0 | error ) != 1 ) |
3095 | 0 | { |
3096 | 0 | libcerror_error_set( |
3097 | 0 | error, |
3098 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3099 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3100 | 0 | "%s: unable to set recovery password.", |
3101 | 0 | function ); |
3102 | |
|
3103 | 0 | result = -1; |
3104 | 0 | } |
3105 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3106 | | else if( libcnotify_verbose != 0 ) |
3107 | | { |
3108 | | libcnotify_printf( |
3109 | | "%s: recovery password: %s\n", |
3110 | | function, |
3111 | | internal_logical_volume->recovery_password ); |
3112 | | } |
3113 | | #endif |
3114 | 0 | } |
3115 | 0 | #if defined( HAVE_LIBFVDE_MULTI_THREAD_SUPPORT ) |
3116 | 0 | if( libcthreads_read_write_lock_release_for_write( |
3117 | 0 | internal_logical_volume->read_write_lock, |
3118 | 0 | error ) != 1 ) |
3119 | 0 | { |
3120 | 0 | libcerror_error_set( |
3121 | 0 | error, |
3122 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3123 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3124 | 0 | "%s: unable to release read/write lock for writing.", |
3125 | 0 | function ); |
3126 | |
|
3127 | 0 | return( -1 ); |
3128 | 0 | } |
3129 | 0 | #endif |
3130 | 0 | return( result ); |
3131 | 0 | } |
3132 | | |