/src/libvsgpt/libvsgpt/libvsgpt_volume.c
Line | Count | Source |
1 | | /* |
2 | | * The volume functions |
3 | | * |
4 | | * Copyright (C) 2019-2026, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <memory.h> |
24 | | #include <narrow_string.h> |
25 | | #include <types.h> |
26 | | #include <wide_string.h> |
27 | | |
28 | | #include "libvsgpt_boot_record.h" |
29 | | #include "libvsgpt_debug.h" |
30 | | #include "libvsgpt_definitions.h" |
31 | | #include "libvsgpt_volume.h" |
32 | | #include "libvsgpt_io_handle.h" |
33 | | #include "libvsgpt_libbfio.h" |
34 | | #include "libvsgpt_libcerror.h" |
35 | | #include "libvsgpt_libcnotify.h" |
36 | | #include "libvsgpt_libcthreads.h" |
37 | | #include "libvsgpt_mbr_partition_entry.h" |
38 | | #include "libvsgpt_partition.h" |
39 | | #include "libvsgpt_partition_entry.h" |
40 | | #include "libvsgpt_partition_table_header.h" |
41 | | #include "libvsgpt_partition_values.h" |
42 | | #include "libvsgpt_section_values.h" |
43 | | #include "libvsgpt_types.h" |
44 | | |
45 | | /* Creates a volume |
46 | | * Make sure the value volume is referencing, is set to NULL |
47 | | * Returns 1 if successful or -1 on error |
48 | | */ |
49 | | int libvsgpt_volume_initialize( |
50 | | libvsgpt_volume_t **volume, |
51 | | libcerror_error_t **error ) |
52 | 2.06k | { |
53 | 2.06k | libvsgpt_internal_volume_t *internal_volume = NULL; |
54 | 2.06k | static char *function = "libvsgpt_volume_initialize"; |
55 | | |
56 | 2.06k | if( volume == NULL ) |
57 | 0 | { |
58 | 0 | libcerror_error_set( |
59 | 0 | error, |
60 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
61 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
62 | 0 | "%s: invalid volume.", |
63 | 0 | function ); |
64 | |
|
65 | 0 | return( -1 ); |
66 | 0 | } |
67 | 2.06k | if( *volume != NULL ) |
68 | 0 | { |
69 | 0 | libcerror_error_set( |
70 | 0 | error, |
71 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
72 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
73 | 0 | "%s: invalid volume value already set.", |
74 | 0 | function ); |
75 | |
|
76 | 0 | return( -1 ); |
77 | 0 | } |
78 | 2.06k | internal_volume = memory_allocate_structure( |
79 | 2.06k | libvsgpt_internal_volume_t ); |
80 | | |
81 | 2.06k | if( internal_volume == NULL ) |
82 | 0 | { |
83 | 0 | libcerror_error_set( |
84 | 0 | error, |
85 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
86 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
87 | 0 | "%s: unable to create volume.", |
88 | 0 | function ); |
89 | |
|
90 | 0 | goto on_error; |
91 | 0 | } |
92 | 2.06k | if( memory_set( |
93 | 2.06k | internal_volume, |
94 | 2.06k | 0, |
95 | 2.06k | sizeof( libvsgpt_internal_volume_t ) ) == NULL ) |
96 | 0 | { |
97 | 0 | libcerror_error_set( |
98 | 0 | error, |
99 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
100 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
101 | 0 | "%s: unable to clear volume.", |
102 | 0 | function ); |
103 | |
|
104 | 0 | memory_free( |
105 | 0 | internal_volume ); |
106 | |
|
107 | 0 | return( -1 ); |
108 | 0 | } |
109 | 2.06k | if( libvsgpt_io_handle_initialize( |
110 | 2.06k | &( internal_volume->io_handle ), |
111 | 2.06k | error ) != 1 ) |
112 | 0 | { |
113 | 0 | libcerror_error_set( |
114 | 0 | error, |
115 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
116 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
117 | 0 | "%s: unable to create IO handle.", |
118 | 0 | function ); |
119 | |
|
120 | 0 | goto on_error; |
121 | 0 | } |
122 | 2.06k | if( libcdata_array_initialize( |
123 | 2.06k | &( internal_volume->partitions ), |
124 | 2.06k | 0, |
125 | 2.06k | error ) != 1 ) |
126 | 0 | { |
127 | 0 | libcerror_error_set( |
128 | 0 | error, |
129 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
130 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
131 | 0 | "%s: unable to create partitions array.", |
132 | 0 | function ); |
133 | |
|
134 | 0 | goto on_error; |
135 | 0 | } |
136 | 2.06k | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
137 | 2.06k | if( libcthreads_read_write_lock_initialize( |
138 | 2.06k | &( internal_volume->read_write_lock ), |
139 | 2.06k | error ) != 1 ) |
140 | 0 | { |
141 | 0 | libcerror_error_set( |
142 | 0 | error, |
143 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
144 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
145 | 0 | "%s: unable to initialize read/write lock.", |
146 | 0 | function ); |
147 | |
|
148 | 0 | goto on_error; |
149 | 0 | } |
150 | 2.06k | #endif |
151 | 2.06k | *volume = (libvsgpt_volume_t *) internal_volume; |
152 | | |
153 | 2.06k | return( 1 ); |
154 | | |
155 | 0 | on_error: |
156 | 0 | if( internal_volume != NULL ) |
157 | 0 | { |
158 | 0 | if( internal_volume->io_handle != NULL ) |
159 | 0 | { |
160 | 0 | libvsgpt_io_handle_free( |
161 | 0 | &( internal_volume->io_handle ), |
162 | 0 | NULL ); |
163 | 0 | } |
164 | 0 | memory_free( |
165 | 0 | internal_volume ); |
166 | 0 | } |
167 | 0 | return( -1 ); |
168 | 2.06k | } |
169 | | |
170 | | /* Frees a volume |
171 | | * Returns 1 if successful or -1 on error |
172 | | */ |
173 | | int libvsgpt_volume_free( |
174 | | libvsgpt_volume_t **volume, |
175 | | libcerror_error_t **error ) |
176 | 2.06k | { |
177 | 2.06k | libvsgpt_internal_volume_t *internal_volume = NULL; |
178 | 2.06k | static char *function = "libvsgpt_volume_free"; |
179 | 2.06k | int result = 1; |
180 | | |
181 | 2.06k | if( volume == NULL ) |
182 | 0 | { |
183 | 0 | libcerror_error_set( |
184 | 0 | error, |
185 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
186 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
187 | 0 | "%s: invalid volume.", |
188 | 0 | function ); |
189 | |
|
190 | 0 | return( -1 ); |
191 | 0 | } |
192 | 2.06k | if( *volume != NULL ) |
193 | 2.06k | { |
194 | 2.06k | internal_volume = (libvsgpt_internal_volume_t *) *volume; |
195 | | |
196 | 2.06k | if( internal_volume->file_io_handle != NULL ) |
197 | 0 | { |
198 | 0 | if( libvsgpt_volume_close( |
199 | 0 | *volume, |
200 | 0 | error ) != 0 ) |
201 | 0 | { |
202 | 0 | libcerror_error_set( |
203 | 0 | error, |
204 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
205 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
206 | 0 | "%s: unable to close volume.", |
207 | 0 | function ); |
208 | |
|
209 | 0 | result = -1; |
210 | 0 | } |
211 | 0 | } |
212 | 2.06k | *volume = NULL; |
213 | | |
214 | 2.06k | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
215 | 2.06k | if( libcthreads_read_write_lock_free( |
216 | 2.06k | &( internal_volume->read_write_lock ), |
217 | 2.06k | error ) != 1 ) |
218 | 0 | { |
219 | 0 | libcerror_error_set( |
220 | 0 | error, |
221 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
222 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
223 | 0 | "%s: unable to free read/write lock.", |
224 | 0 | function ); |
225 | |
|
226 | 0 | result = -1; |
227 | 0 | } |
228 | 2.06k | #endif |
229 | 2.06k | if( libcdata_array_free( |
230 | 2.06k | &( internal_volume->partitions ), |
231 | 2.06k | (int (*)(intptr_t **, libcerror_error_t **)) &libvsgpt_partition_values_free, |
232 | 2.06k | error ) != 1 ) |
233 | 0 | { |
234 | 0 | libcerror_error_set( |
235 | 0 | error, |
236 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
237 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
238 | 0 | "%s: unable to free the partitions array.", |
239 | 0 | function ); |
240 | |
|
241 | 0 | result = -1; |
242 | 0 | } |
243 | 2.06k | if( libvsgpt_io_handle_free( |
244 | 2.06k | &( internal_volume->io_handle ), |
245 | 2.06k | error ) != 1 ) |
246 | 0 | { |
247 | 0 | libcerror_error_set( |
248 | 0 | error, |
249 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
250 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
251 | 0 | "%s: unable to free IO handle.", |
252 | 0 | function ); |
253 | |
|
254 | 0 | result = -1; |
255 | 0 | } |
256 | 2.06k | memory_free( |
257 | 2.06k | internal_volume ); |
258 | 2.06k | } |
259 | 2.06k | return( result ); |
260 | 2.06k | } |
261 | | |
262 | | /* Signals the volume to abort its current activity |
263 | | * Returns 1 if successful or -1 on error |
264 | | */ |
265 | | int libvsgpt_volume_signal_abort( |
266 | | libvsgpt_volume_t *volume, |
267 | | libcerror_error_t **error ) |
268 | 0 | { |
269 | 0 | libvsgpt_internal_volume_t *internal_volume = NULL; |
270 | 0 | static char *function = "libvsgpt_volume_signal_abort"; |
271 | |
|
272 | 0 | if( volume == NULL ) |
273 | 0 | { |
274 | 0 | libcerror_error_set( |
275 | 0 | error, |
276 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
277 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
278 | 0 | "%s: invalid volume.", |
279 | 0 | function ); |
280 | |
|
281 | 0 | return( -1 ); |
282 | 0 | } |
283 | 0 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
284 | |
|
285 | 0 | if( internal_volume->io_handle == NULL ) |
286 | 0 | { |
287 | 0 | libcerror_error_set( |
288 | 0 | error, |
289 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
290 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
291 | 0 | "%s: invalid volume - missing IO handle.", |
292 | 0 | function ); |
293 | |
|
294 | 0 | return( -1 ); |
295 | 0 | } |
296 | 0 | internal_volume->io_handle->abort = 1; |
297 | |
|
298 | 0 | return( 1 ); |
299 | 0 | } |
300 | | |
301 | | /* Opens a volume |
302 | | * Returns 1 if successful or -1 on error |
303 | | */ |
304 | | int libvsgpt_volume_open( |
305 | | libvsgpt_volume_t *volume, |
306 | | const char *filename, |
307 | | int access_flags, |
308 | | libcerror_error_t **error ) |
309 | 0 | { |
310 | 0 | libbfio_handle_t *file_io_handle = NULL; |
311 | 0 | libvsgpt_internal_volume_t *internal_volume = NULL; |
312 | 0 | static char *function = "libvsgpt_volume_open"; |
313 | 0 | size_t filename_length = 0; |
314 | |
|
315 | 0 | if( volume == NULL ) |
316 | 0 | { |
317 | 0 | libcerror_error_set( |
318 | 0 | error, |
319 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
320 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
321 | 0 | "%s: invalid volume.", |
322 | 0 | function ); |
323 | |
|
324 | 0 | return( -1 ); |
325 | 0 | } |
326 | 0 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
327 | |
|
328 | 0 | if( filename == NULL ) |
329 | 0 | { |
330 | 0 | libcerror_error_set( |
331 | 0 | error, |
332 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
333 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
334 | 0 | "%s: invalid filename.", |
335 | 0 | function ); |
336 | |
|
337 | 0 | return( -1 ); |
338 | 0 | } |
339 | 0 | if( ( ( access_flags & LIBVSGPT_ACCESS_FLAG_READ ) == 0 ) |
340 | 0 | && ( ( access_flags & LIBVSGPT_ACCESS_FLAG_WRITE ) == 0 ) ) |
341 | 0 | { |
342 | 0 | libcerror_error_set( |
343 | 0 | error, |
344 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
345 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
346 | 0 | "%s: unsupported access flags.", |
347 | 0 | function ); |
348 | |
|
349 | 0 | return( -1 ); |
350 | 0 | } |
351 | 0 | if( ( access_flags & LIBVSGPT_ACCESS_FLAG_WRITE ) != 0 ) |
352 | 0 | { |
353 | 0 | libcerror_error_set( |
354 | 0 | error, |
355 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
356 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
357 | 0 | "%s: write access currently not supported.", |
358 | 0 | function ); |
359 | |
|
360 | 0 | return( -1 ); |
361 | 0 | } |
362 | 0 | if( libbfio_file_initialize( |
363 | 0 | &file_io_handle, |
364 | 0 | error ) != 1 ) |
365 | 0 | { |
366 | 0 | libcerror_error_set( |
367 | 0 | error, |
368 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
369 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
370 | 0 | "%s: unable to create file IO handle.", |
371 | 0 | function ); |
372 | |
|
373 | 0 | goto on_error; |
374 | 0 | } |
375 | | #if defined( HAVE_DEBUG_OUTPUT ) |
376 | | if( libbfio_handle_set_track_offsets_read( |
377 | | file_io_handle, |
378 | | 1, |
379 | | error ) != 1 ) |
380 | | { |
381 | | libcerror_error_set( |
382 | | error, |
383 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
384 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
385 | | "%s: unable to set track offsets read in file IO handle.", |
386 | | function ); |
387 | | |
388 | | goto on_error; |
389 | | } |
390 | | #endif |
391 | 0 | filename_length = narrow_string_length( |
392 | 0 | filename ); |
393 | |
|
394 | 0 | if( libbfio_file_set_name( |
395 | 0 | file_io_handle, |
396 | 0 | filename, |
397 | 0 | filename_length + 1, |
398 | 0 | error ) != 1 ) |
399 | 0 | { |
400 | 0 | libcerror_error_set( |
401 | 0 | error, |
402 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
403 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
404 | 0 | "%s: unable to set filename in file IO handle.", |
405 | 0 | function ); |
406 | |
|
407 | 0 | goto on_error; |
408 | 0 | } |
409 | 0 | if( libvsgpt_volume_open_file_io_handle( |
410 | 0 | volume, |
411 | 0 | file_io_handle, |
412 | 0 | access_flags, |
413 | 0 | error ) != 1 ) |
414 | 0 | { |
415 | 0 | libcerror_error_set( |
416 | 0 | error, |
417 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
418 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
419 | 0 | "%s: unable to open volume: %s.", |
420 | 0 | function, |
421 | 0 | filename ); |
422 | |
|
423 | 0 | goto on_error; |
424 | 0 | } |
425 | 0 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
426 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
427 | 0 | internal_volume->read_write_lock, |
428 | 0 | error ) != 1 ) |
429 | 0 | { |
430 | 0 | libcerror_error_set( |
431 | 0 | error, |
432 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
433 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
434 | 0 | "%s: unable to grab read/write lock for writing.", |
435 | 0 | function ); |
436 | |
|
437 | 0 | return( -1 ); |
438 | 0 | } |
439 | 0 | #endif |
440 | 0 | internal_volume->file_io_handle_created_in_library = 1; |
441 | |
|
442 | 0 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
443 | 0 | if( libcthreads_read_write_lock_release_for_write( |
444 | 0 | internal_volume->read_write_lock, |
445 | 0 | error ) != 1 ) |
446 | 0 | { |
447 | 0 | libcerror_error_set( |
448 | 0 | error, |
449 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
450 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
451 | 0 | "%s: unable to release read/write lock for writing.", |
452 | 0 | function ); |
453 | |
|
454 | 0 | return( -1 ); |
455 | 0 | } |
456 | 0 | #endif |
457 | 0 | return( 1 ); |
458 | | |
459 | 0 | on_error: |
460 | 0 | if( file_io_handle != NULL ) |
461 | 0 | { |
462 | 0 | libbfio_handle_free( |
463 | 0 | &file_io_handle, |
464 | 0 | NULL ); |
465 | 0 | } |
466 | 0 | return( -1 ); |
467 | 0 | } |
468 | | |
469 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
470 | | |
471 | | /* Opens a volume |
472 | | * Returns 1 if successful or -1 on error |
473 | | */ |
474 | | int libvsgpt_volume_open_wide( |
475 | | libvsgpt_volume_t *volume, |
476 | | const wchar_t *filename, |
477 | | int access_flags, |
478 | | libcerror_error_t **error ) |
479 | | { |
480 | | libbfio_handle_t *file_io_handle = NULL; |
481 | | libvsgpt_internal_volume_t *internal_volume = NULL; |
482 | | static char *function = "libvsgpt_volume_open_wide"; |
483 | | size_t filename_length = 0; |
484 | | |
485 | | if( volume == NULL ) |
486 | | { |
487 | | libcerror_error_set( |
488 | | error, |
489 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
490 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
491 | | "%s: invalid volume.", |
492 | | function ); |
493 | | |
494 | | return( -1 ); |
495 | | } |
496 | | internal_volume = (libvsgpt_internal_volume_t *) volume; |
497 | | |
498 | | if( filename == NULL ) |
499 | | { |
500 | | libcerror_error_set( |
501 | | error, |
502 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
503 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
504 | | "%s: invalid filename.", |
505 | | function ); |
506 | | |
507 | | return( -1 ); |
508 | | } |
509 | | if( ( ( access_flags & LIBVSGPT_ACCESS_FLAG_READ ) == 0 ) |
510 | | && ( ( access_flags & LIBVSGPT_ACCESS_FLAG_WRITE ) == 0 ) ) |
511 | | { |
512 | | libcerror_error_set( |
513 | | error, |
514 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
515 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
516 | | "%s: unsupported access flags.", |
517 | | function ); |
518 | | |
519 | | return( -1 ); |
520 | | } |
521 | | if( ( access_flags & LIBVSGPT_ACCESS_FLAG_WRITE ) != 0 ) |
522 | | { |
523 | | libcerror_error_set( |
524 | | error, |
525 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
526 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
527 | | "%s: write access currently not supported.", |
528 | | function ); |
529 | | |
530 | | return( -1 ); |
531 | | } |
532 | | if( libbfio_file_initialize( |
533 | | &file_io_handle, |
534 | | error ) != 1 ) |
535 | | { |
536 | | libcerror_error_set( |
537 | | error, |
538 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
539 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
540 | | "%s: unable to create file IO handle.", |
541 | | function ); |
542 | | |
543 | | goto on_error; |
544 | | } |
545 | | #if defined( HAVE_DEBUG_OUTPUT ) |
546 | | if( libbfio_handle_set_track_offsets_read( |
547 | | file_io_handle, |
548 | | 1, |
549 | | error ) != 1 ) |
550 | | { |
551 | | libcerror_error_set( |
552 | | error, |
553 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
554 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
555 | | "%s: unable to set track offsets read in file IO handle.", |
556 | | function ); |
557 | | |
558 | | goto on_error; |
559 | | } |
560 | | #endif |
561 | | filename_length = wide_string_length( |
562 | | filename ); |
563 | | |
564 | | if( libbfio_file_set_name_wide( |
565 | | file_io_handle, |
566 | | filename, |
567 | | filename_length + 1, |
568 | | error ) != 1 ) |
569 | | { |
570 | | libcerror_error_set( |
571 | | error, |
572 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
573 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
574 | | "%s: unable to set filename in file IO handle.", |
575 | | function ); |
576 | | |
577 | | goto on_error; |
578 | | } |
579 | | if( libvsgpt_volume_open_file_io_handle( |
580 | | volume, |
581 | | file_io_handle, |
582 | | access_flags, |
583 | | error ) != 1 ) |
584 | | { |
585 | | libcerror_error_set( |
586 | | error, |
587 | | LIBCERROR_ERROR_DOMAIN_IO, |
588 | | LIBCERROR_IO_ERROR_OPEN_FAILED, |
589 | | "%s: unable to open volume: %ls.", |
590 | | function, |
591 | | filename ); |
592 | | |
593 | | goto on_error; |
594 | | } |
595 | | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
596 | | if( libcthreads_read_write_lock_grab_for_write( |
597 | | internal_volume->read_write_lock, |
598 | | error ) != 1 ) |
599 | | { |
600 | | libcerror_error_set( |
601 | | error, |
602 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
603 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
604 | | "%s: unable to grab read/write lock for writing.", |
605 | | function ); |
606 | | |
607 | | return( -1 ); |
608 | | } |
609 | | #endif |
610 | | internal_volume->file_io_handle_created_in_library = 1; |
611 | | |
612 | | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
613 | | if( libcthreads_read_write_lock_release_for_write( |
614 | | internal_volume->read_write_lock, |
615 | | error ) != 1 ) |
616 | | { |
617 | | libcerror_error_set( |
618 | | error, |
619 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
620 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
621 | | "%s: unable to release read/write lock for writing.", |
622 | | function ); |
623 | | |
624 | | return( -1 ); |
625 | | } |
626 | | #endif |
627 | | return( 1 ); |
628 | | |
629 | | on_error: |
630 | | if( file_io_handle != NULL ) |
631 | | { |
632 | | libbfio_handle_free( |
633 | | &file_io_handle, |
634 | | NULL ); |
635 | | } |
636 | | return( -1 ); |
637 | | } |
638 | | |
639 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
640 | | |
641 | | /* Opens a volume using a Basic File IO (bfio) volume |
642 | | * Returns 1 if successful or -1 on error |
643 | | */ |
644 | | int libvsgpt_volume_open_file_io_handle( |
645 | | libvsgpt_volume_t *volume, |
646 | | libbfio_handle_t *file_io_handle, |
647 | | int access_flags, |
648 | | libcerror_error_t **error ) |
649 | 2.06k | { |
650 | 2.06k | libvsgpt_internal_volume_t *internal_volume = NULL; |
651 | 2.06k | static char *function = "libvsgpt_volume_open_file_io_handle"; |
652 | 2.06k | uint8_t file_io_handle_opened_in_library = 0; |
653 | 2.06k | int bfio_access_flags = 0; |
654 | 2.06k | int file_io_handle_is_open = 0; |
655 | | |
656 | 2.06k | if( volume == NULL ) |
657 | 0 | { |
658 | 0 | libcerror_error_set( |
659 | 0 | error, |
660 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
661 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
662 | 0 | "%s: invalid volume.", |
663 | 0 | function ); |
664 | |
|
665 | 0 | return( -1 ); |
666 | 0 | } |
667 | 2.06k | internal_volume = (libvsgpt_internal_volume_t *) volume; |
668 | | |
669 | 2.06k | if( internal_volume->file_io_handle != NULL ) |
670 | 0 | { |
671 | 0 | libcerror_error_set( |
672 | 0 | error, |
673 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
674 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
675 | 0 | "%s: invalid volume - file IO handle value already set.", |
676 | 0 | function ); |
677 | |
|
678 | 0 | return( -1 ); |
679 | 0 | } |
680 | 2.06k | if( file_io_handle == NULL ) |
681 | 0 | { |
682 | 0 | libcerror_error_set( |
683 | 0 | error, |
684 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
685 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
686 | 0 | "%s: invalid file IO handle.", |
687 | 0 | function ); |
688 | |
|
689 | 0 | return( -1 ); |
690 | 0 | } |
691 | 2.06k | if( ( ( access_flags & LIBVSGPT_ACCESS_FLAG_READ ) == 0 ) |
692 | 0 | && ( ( access_flags & LIBVSGPT_ACCESS_FLAG_WRITE ) == 0 ) ) |
693 | 0 | { |
694 | 0 | libcerror_error_set( |
695 | 0 | error, |
696 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
697 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
698 | 0 | "%s: unsupported access flags.", |
699 | 0 | function ); |
700 | |
|
701 | 0 | return( -1 ); |
702 | 0 | } |
703 | 2.06k | if( ( access_flags & LIBVSGPT_ACCESS_FLAG_WRITE ) != 0 ) |
704 | 0 | { |
705 | 0 | libcerror_error_set( |
706 | 0 | error, |
707 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
708 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
709 | 0 | "%s: write access currently not supported.", |
710 | 0 | function ); |
711 | |
|
712 | 0 | return( -1 ); |
713 | 0 | } |
714 | 2.06k | if( ( access_flags & LIBVSGPT_ACCESS_FLAG_READ ) != 0 ) |
715 | 2.06k | { |
716 | 2.06k | bfio_access_flags = LIBBFIO_ACCESS_FLAG_READ; |
717 | 2.06k | } |
718 | 2.06k | file_io_handle_is_open = libbfio_handle_is_open( |
719 | 2.06k | file_io_handle, |
720 | 2.06k | error ); |
721 | | |
722 | 2.06k | if( file_io_handle_is_open == -1 ) |
723 | 0 | { |
724 | 0 | libcerror_error_set( |
725 | 0 | error, |
726 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
727 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
728 | 0 | "%s: unable to open volume.", |
729 | 0 | function ); |
730 | |
|
731 | 0 | goto on_error; |
732 | 0 | } |
733 | 2.06k | else if( file_io_handle_is_open == 0 ) |
734 | 2.06k | { |
735 | 2.06k | if( libbfio_handle_open( |
736 | 2.06k | file_io_handle, |
737 | 2.06k | bfio_access_flags, |
738 | 2.06k | error ) != 1 ) |
739 | 0 | { |
740 | 0 | libcerror_error_set( |
741 | 0 | error, |
742 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
743 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
744 | 0 | "%s: unable to open file IO handle.", |
745 | 0 | function ); |
746 | |
|
747 | 0 | goto on_error; |
748 | 0 | } |
749 | 2.06k | file_io_handle_opened_in_library = 1; |
750 | 2.06k | } |
751 | 2.06k | if( libvsgpt_internal_volume_open_read( |
752 | 2.06k | internal_volume, |
753 | 2.06k | file_io_handle, |
754 | 2.06k | error ) != 1 ) |
755 | 1.86k | { |
756 | 1.86k | libcerror_error_set( |
757 | 1.86k | error, |
758 | 1.86k | LIBCERROR_ERROR_DOMAIN_IO, |
759 | 1.86k | LIBCERROR_IO_ERROR_READ_FAILED, |
760 | 1.86k | "%s: unable to read from file IO handle.", |
761 | 1.86k | function ); |
762 | | |
763 | 1.86k | goto on_error; |
764 | 1.86k | } |
765 | 201 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
766 | 201 | if( libcthreads_read_write_lock_grab_for_write( |
767 | 201 | internal_volume->read_write_lock, |
768 | 201 | error ) != 1 ) |
769 | 0 | { |
770 | 0 | libcerror_error_set( |
771 | 0 | error, |
772 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
773 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
774 | 0 | "%s: unable to grab read/write lock for writing.", |
775 | 0 | function ); |
776 | |
|
777 | 0 | return( -1 ); |
778 | 0 | } |
779 | 201 | #endif |
780 | 201 | internal_volume->file_io_handle = file_io_handle; |
781 | 201 | internal_volume->file_io_handle_opened_in_library = file_io_handle_opened_in_library; |
782 | | |
783 | 201 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
784 | 201 | if( libcthreads_read_write_lock_release_for_write( |
785 | 201 | internal_volume->read_write_lock, |
786 | 201 | error ) != 1 ) |
787 | 0 | { |
788 | 0 | libcerror_error_set( |
789 | 0 | error, |
790 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
791 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
792 | 0 | "%s: unable to release read/write lock for writing.", |
793 | 0 | function ); |
794 | |
|
795 | 0 | return( -1 ); |
796 | 0 | } |
797 | 201 | #endif |
798 | 201 | return( 1 ); |
799 | | |
800 | 1.86k | on_error: |
801 | 1.86k | if( file_io_handle_opened_in_library != 0 ) |
802 | 1.86k | { |
803 | 1.86k | libbfio_handle_close( |
804 | 1.86k | file_io_handle, |
805 | 1.86k | error ); |
806 | 1.86k | } |
807 | 1.86k | return( -1 ); |
808 | 201 | } |
809 | | |
810 | | /* Closes a volume |
811 | | * Returns 0 if successful or -1 on error |
812 | | */ |
813 | | int libvsgpt_volume_close( |
814 | | libvsgpt_volume_t *volume, |
815 | | libcerror_error_t **error ) |
816 | 201 | { |
817 | 201 | libvsgpt_internal_volume_t *internal_volume = NULL; |
818 | 201 | static char *function = "libvsgpt_volume_close"; |
819 | 201 | int result = 0; |
820 | | |
821 | 201 | if( volume == NULL ) |
822 | 0 | { |
823 | 0 | libcerror_error_set( |
824 | 0 | error, |
825 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
826 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
827 | 0 | "%s: invalid volume.", |
828 | 0 | function ); |
829 | |
|
830 | 0 | return( -1 ); |
831 | 0 | } |
832 | 201 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
833 | | |
834 | 201 | if( internal_volume->file_io_handle == NULL ) |
835 | 0 | { |
836 | 0 | libcerror_error_set( |
837 | 0 | error, |
838 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
839 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
840 | 0 | "%s: invalid volume - missing file IO handle.", |
841 | 0 | function ); |
842 | |
|
843 | 0 | return( -1 ); |
844 | 0 | } |
845 | 201 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
846 | 201 | if( libcthreads_read_write_lock_grab_for_write( |
847 | 201 | internal_volume->read_write_lock, |
848 | 201 | error ) != 1 ) |
849 | 0 | { |
850 | 0 | libcerror_error_set( |
851 | 0 | error, |
852 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
853 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
854 | 0 | "%s: unable to grab read/write lock for writing.", |
855 | 0 | function ); |
856 | |
|
857 | 0 | return( -1 ); |
858 | 0 | } |
859 | 201 | #endif |
860 | | #if defined( HAVE_DEBUG_OUTPUT ) |
861 | | if( libcnotify_verbose != 0 ) |
862 | | { |
863 | | if( internal_volume->file_io_handle_created_in_library != 0 ) |
864 | | { |
865 | | if( libvsgpt_debug_print_read_offsets( |
866 | | internal_volume->file_io_handle, |
867 | | error ) != 1 ) |
868 | | { |
869 | | libcerror_error_set( |
870 | | error, |
871 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
872 | | LIBCERROR_RUNTIME_ERROR_PRINT_FAILED, |
873 | | "%s: unable to print the read offsets.", |
874 | | function ); |
875 | | |
876 | | result = -1; |
877 | | } |
878 | | } |
879 | | } |
880 | | #endif |
881 | 201 | if( internal_volume->file_io_handle_opened_in_library != 0 ) |
882 | 201 | { |
883 | 201 | if( libbfio_handle_close( |
884 | 201 | internal_volume->file_io_handle, |
885 | 201 | error ) != 0 ) |
886 | 0 | { |
887 | 0 | libcerror_error_set( |
888 | 0 | error, |
889 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
890 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
891 | 0 | "%s: unable to close file IO handle.", |
892 | 0 | function ); |
893 | |
|
894 | 0 | result = -1; |
895 | 0 | } |
896 | 201 | internal_volume->file_io_handle_opened_in_library = 0; |
897 | 201 | } |
898 | 201 | if( internal_volume->file_io_handle_created_in_library != 0 ) |
899 | 0 | { |
900 | 0 | if( libbfio_handle_free( |
901 | 0 | &( internal_volume->file_io_handle ), |
902 | 0 | error ) != 1 ) |
903 | 0 | { |
904 | 0 | libcerror_error_set( |
905 | 0 | error, |
906 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
907 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
908 | 0 | "%s: unable to free file IO handle.", |
909 | 0 | function ); |
910 | |
|
911 | 0 | result = -1; |
912 | 0 | } |
913 | 0 | internal_volume->file_io_handle_created_in_library = 0; |
914 | 0 | } |
915 | 201 | internal_volume->file_io_handle = NULL; |
916 | | |
917 | 201 | if( libvsgpt_io_handle_clear( |
918 | 201 | internal_volume->io_handle, |
919 | 201 | error ) != 1 ) |
920 | 0 | { |
921 | 0 | libcerror_error_set( |
922 | 0 | error, |
923 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
924 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
925 | 0 | "%s: unable to clear the IO handle.", |
926 | 0 | function ); |
927 | |
|
928 | 0 | result = -1; |
929 | 0 | } |
930 | 201 | if( libvsgpt_partition_table_header_free( |
931 | 201 | &( internal_volume->partition_table_header ), |
932 | 201 | error ) != 1 ) |
933 | 0 | { |
934 | 0 | libcerror_error_set( |
935 | 0 | error, |
936 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
937 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
938 | 0 | "%s: unable to free partition table header.", |
939 | 0 | function ); |
940 | |
|
941 | 0 | result = -1; |
942 | 0 | } |
943 | 201 | if( libcdata_array_empty( |
944 | 201 | internal_volume->partitions, |
945 | 201 | (int (*)(intptr_t **, libcerror_error_t **)) &libvsgpt_partition_values_free, |
946 | 201 | error ) != 1 ) |
947 | 0 | { |
948 | 0 | libcerror_error_set( |
949 | 0 | error, |
950 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
951 | 0 | LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED, |
952 | 0 | "%s: unable to empty the partitions array.", |
953 | 0 | function ); |
954 | |
|
955 | 0 | result = -1; |
956 | 0 | } |
957 | 201 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
958 | 201 | if( libcthreads_read_write_lock_release_for_write( |
959 | 201 | internal_volume->read_write_lock, |
960 | 201 | error ) != 1 ) |
961 | 0 | { |
962 | 0 | libcerror_error_set( |
963 | 0 | error, |
964 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
965 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
966 | 0 | "%s: unable to release read/write lock for writing.", |
967 | 0 | function ); |
968 | |
|
969 | 0 | return( -1 ); |
970 | 0 | } |
971 | 201 | #endif |
972 | 201 | return( result ); |
973 | 201 | } |
974 | | |
975 | | /* Opens a volume for reading |
976 | | * Returns 1 if successful or -1 on error |
977 | | */ |
978 | | int libvsgpt_internal_volume_open_read( |
979 | | libvsgpt_internal_volume_t *internal_volume, |
980 | | libbfio_handle_t *file_io_handle, |
981 | | libcerror_error_t **error ) |
982 | 2.06k | { |
983 | 2.06k | libvsgpt_boot_record_t *master_boot_record = NULL; |
984 | 2.06k | static char *function = "libvsgpt_internal_volume_open_read"; |
985 | 2.06k | off64_t file_offset = 0; |
986 | | |
987 | 2.06k | if( internal_volume == NULL ) |
988 | 0 | { |
989 | 0 | libcerror_error_set( |
990 | 0 | error, |
991 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
992 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
993 | 0 | "%s: invalid internal volume.", |
994 | 0 | function ); |
995 | |
|
996 | 0 | return( -1 ); |
997 | 0 | } |
998 | 2.06k | if( libbfio_handle_get_size( |
999 | 2.06k | file_io_handle, |
1000 | 2.06k | &( internal_volume->size ), |
1001 | 2.06k | error ) != 1 ) |
1002 | 0 | { |
1003 | 0 | libcerror_error_set( |
1004 | 0 | error, |
1005 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1006 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1007 | 0 | "%s: unable to retrieve size from file IO handle.", |
1008 | 0 | function ); |
1009 | |
|
1010 | 0 | goto on_error; |
1011 | 0 | } |
1012 | 2.06k | if( libvsgpt_internal_volume_read_partition_table_headers( |
1013 | 2.06k | internal_volume, |
1014 | 2.06k | file_io_handle, |
1015 | 2.06k | error ) != 1 ) |
1016 | 553 | { |
1017 | 553 | libcerror_error_set( |
1018 | 553 | error, |
1019 | 553 | LIBCERROR_ERROR_DOMAIN_IO, |
1020 | 553 | LIBCERROR_IO_ERROR_READ_FAILED, |
1021 | 553 | "%s: unable to read partition table header and backup.", |
1022 | 553 | function ); |
1023 | | |
1024 | 553 | goto on_error; |
1025 | 553 | } |
1026 | 1.51k | if( internal_volume->partition_table_header == NULL ) |
1027 | 0 | { |
1028 | 0 | libcerror_error_set( |
1029 | 0 | error, |
1030 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1031 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1032 | 0 | "%s: invalid volume - missing partition table header.", |
1033 | 0 | function ); |
1034 | |
|
1035 | 0 | goto on_error; |
1036 | 0 | } |
1037 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1038 | | if( libcnotify_verbose != 0 ) |
1039 | | { |
1040 | | libcnotify_printf( |
1041 | | "%s: reading GUID Partition Table (GPT) entries.\n", |
1042 | | function ); |
1043 | | } |
1044 | | #endif |
1045 | 1.51k | file_offset = internal_volume->partition_table_header->partition_entries_start_block_number * internal_volume->io_handle->bytes_per_sector; |
1046 | | |
1047 | 1.51k | if( libvsgpt_internal_volume_read_partition_entries( |
1048 | 1.51k | internal_volume, |
1049 | 1.51k | file_io_handle, |
1050 | 1.51k | file_offset, |
1051 | 1.51k | error ) != 1 ) |
1052 | 1.07k | { |
1053 | 1.07k | libcerror_error_set( |
1054 | 1.07k | error, |
1055 | 1.07k | LIBCERROR_ERROR_DOMAIN_IO, |
1056 | 1.07k | LIBCERROR_IO_ERROR_READ_FAILED, |
1057 | 1.07k | "%s: unable to read partition entries.", |
1058 | 1.07k | function ); |
1059 | | |
1060 | 1.07k | goto on_error; |
1061 | 1.07k | } |
1062 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1063 | | if( libcnotify_verbose != 0 ) |
1064 | | { |
1065 | | libcnotify_printf( |
1066 | | "%s: reading Master Boot Record (MBR).\n", |
1067 | | function ); |
1068 | | } |
1069 | | #endif |
1070 | 442 | if( libvsgpt_boot_record_initialize( |
1071 | 442 | &master_boot_record, |
1072 | 442 | error ) != 1 ) |
1073 | 0 | { |
1074 | 0 | libcerror_error_set( |
1075 | 0 | error, |
1076 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1077 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1078 | 0 | "%s: unable to create master boot record.", |
1079 | 0 | function ); |
1080 | |
|
1081 | 0 | goto on_error; |
1082 | 0 | } |
1083 | 442 | if( libvsgpt_boot_record_read_file_io_handle( |
1084 | 442 | master_boot_record, |
1085 | 442 | file_io_handle, |
1086 | 442 | 0, |
1087 | 442 | error ) != 1 ) |
1088 | 34 | { |
1089 | 34 | libcerror_error_set( |
1090 | 34 | error, |
1091 | 34 | LIBCERROR_ERROR_DOMAIN_IO, |
1092 | 34 | LIBCERROR_IO_ERROR_READ_FAILED, |
1093 | 34 | "%s: unable to read master boot record.", |
1094 | 34 | function ); |
1095 | | |
1096 | 34 | goto on_error; |
1097 | 34 | } |
1098 | 408 | if( libvsgpt_internal_volume_read_mbr_partition_entries( |
1099 | 408 | internal_volume, |
1100 | 408 | file_io_handle, |
1101 | 408 | 0, |
1102 | 408 | master_boot_record, |
1103 | 408 | 1, |
1104 | 408 | 0, |
1105 | 408 | 0, |
1106 | 408 | error ) != 1 ) |
1107 | 207 | { |
1108 | 207 | libcerror_error_set( |
1109 | 207 | error, |
1110 | 207 | LIBCERROR_ERROR_DOMAIN_IO, |
1111 | 207 | LIBCERROR_IO_ERROR_READ_FAILED, |
1112 | 207 | "%s: unable to read partition entries.", |
1113 | 207 | function ); |
1114 | | |
1115 | 207 | goto on_error; |
1116 | 207 | } |
1117 | 201 | if( libvsgpt_boot_record_free( |
1118 | 201 | &master_boot_record, |
1119 | 201 | error ) != 1 ) |
1120 | 0 | { |
1121 | 0 | libcerror_error_set( |
1122 | 0 | error, |
1123 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1124 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1125 | 0 | "%s: unable to free master boot record.", |
1126 | 0 | function ); |
1127 | |
|
1128 | 0 | goto on_error; |
1129 | 0 | } |
1130 | 201 | return( 1 ); |
1131 | | |
1132 | 1.86k | on_error: |
1133 | 1.86k | if( master_boot_record != NULL ) |
1134 | 241 | { |
1135 | 241 | libvsgpt_boot_record_free( |
1136 | 241 | &master_boot_record, |
1137 | 241 | NULL ); |
1138 | 241 | } |
1139 | 1.86k | if( internal_volume->partition_table_header != NULL ) |
1140 | 1.31k | { |
1141 | 1.31k | libvsgpt_partition_table_header_free( |
1142 | 1.31k | &( internal_volume->partition_table_header ), |
1143 | 1.31k | NULL ); |
1144 | 1.31k | } |
1145 | 1.86k | return( -1 ); |
1146 | 201 | } |
1147 | | |
1148 | | /* Reads the partition table header and the backup |
1149 | | * Returns 1 if successful or -1 on error |
1150 | | */ |
1151 | | int libvsgpt_internal_volume_read_partition_table_headers( |
1152 | | libvsgpt_internal_volume_t *internal_volume, |
1153 | | libbfio_handle_t *file_io_handle, |
1154 | | libcerror_error_t **error ) |
1155 | 2.06k | { |
1156 | 2.06k | libvsgpt_partition_table_header_t *backup_partition_table_header = NULL; |
1157 | 2.06k | libvsgpt_partition_table_header_t *partition_table_header = NULL; |
1158 | 2.06k | static char *function = "libvsgpt_internal_volume_read_partition_table_headers"; |
1159 | 2.06k | off64_t file_offset = 0; |
1160 | 2.06k | int result = 0; |
1161 | | |
1162 | 2.06k | if( internal_volume == NULL ) |
1163 | 0 | { |
1164 | 0 | libcerror_error_set( |
1165 | 0 | error, |
1166 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1167 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1168 | 0 | "%s: invalid internal volume.", |
1169 | 0 | function ); |
1170 | |
|
1171 | 0 | return( -1 ); |
1172 | 0 | } |
1173 | 2.06k | if( internal_volume->partition_table_header != NULL ) |
1174 | 0 | { |
1175 | 0 | libcerror_error_set( |
1176 | 0 | error, |
1177 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1178 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1179 | 0 | "%s: invalid volume - partition table header already set.", |
1180 | 0 | function ); |
1181 | |
|
1182 | 0 | return( -1 ); |
1183 | 0 | } |
1184 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1185 | | if( libcnotify_verbose != 0 ) |
1186 | | { |
1187 | | libcnotify_printf( |
1188 | | "%s: reading GUID Partition Table (GPT) header.\n", |
1189 | | function ); |
1190 | | } |
1191 | | #endif |
1192 | 2.06k | if( libvsgpt_partition_table_header_initialize( |
1193 | 2.06k | &partition_table_header, |
1194 | 2.06k | error ) != 1 ) |
1195 | 0 | { |
1196 | 0 | libcerror_error_set( |
1197 | 0 | error, |
1198 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1199 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1200 | 0 | "%s: unable to create partition table header.", |
1201 | 0 | function ); |
1202 | |
|
1203 | 0 | goto on_error; |
1204 | 0 | } |
1205 | 2.06k | internal_volume->io_handle->bytes_per_sector = 512; |
1206 | | |
1207 | 2.06k | result = libvsgpt_partition_table_header_read_file_io_handle( |
1208 | 2.06k | partition_table_header, |
1209 | 2.06k | file_io_handle, |
1210 | 2.06k | (off64_t) internal_volume->io_handle->bytes_per_sector, |
1211 | 2.06k | error ); |
1212 | | |
1213 | 2.24k | while( ( result == 0 ) |
1214 | 189 | && ( internal_volume->io_handle->bytes_per_sector < 4096 ) ) |
1215 | 180 | { |
1216 | 180 | internal_volume->io_handle->bytes_per_sector *= 2; |
1217 | | |
1218 | 180 | result = libvsgpt_partition_table_header_read_file_io_handle( |
1219 | 180 | partition_table_header, |
1220 | 180 | file_io_handle, |
1221 | 180 | (off64_t) internal_volume->io_handle->bytes_per_sector, |
1222 | 180 | error ); |
1223 | 180 | } |
1224 | 2.06k | if( result != 1 ) |
1225 | 188 | { |
1226 | 188 | libcerror_error_set( |
1227 | 188 | error, |
1228 | 188 | LIBCERROR_ERROR_DOMAIN_IO, |
1229 | 188 | LIBCERROR_IO_ERROR_READ_FAILED, |
1230 | 188 | "%s: unable to read partition table header.", |
1231 | 188 | function ); |
1232 | | |
1233 | 188 | goto on_error; |
1234 | 188 | } |
1235 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1236 | | if( libcnotify_verbose != 0 ) |
1237 | | { |
1238 | | libcnotify_printf( |
1239 | | "%s: bytes per sector\t: %" PRIzd ".\n", |
1240 | | function, |
1241 | | internal_volume->io_handle->bytes_per_sector ); |
1242 | | |
1243 | | libcnotify_printf( |
1244 | | "\n" ); |
1245 | | } |
1246 | | #endif |
1247 | 1.87k | if( partition_table_header->partition_header_block_number != 1 ) |
1248 | 194 | { |
1249 | 194 | libcerror_error_set( |
1250 | 194 | error, |
1251 | 194 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1252 | 194 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1253 | 194 | "%s: unsupported partition table header block number: %" PRIu64 ".", |
1254 | 194 | function, |
1255 | 194 | partition_table_header->partition_header_block_number ); |
1256 | | |
1257 | 194 | goto on_error; |
1258 | 194 | } |
1259 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1260 | | if( libcnotify_verbose != 0 ) |
1261 | | { |
1262 | | libcnotify_printf( |
1263 | | "%s: reading backup GUID Partition Table (GPT) header.\n", |
1264 | | function ); |
1265 | | } |
1266 | | #endif |
1267 | 1.68k | if( libvsgpt_partition_table_header_initialize( |
1268 | 1.68k | &backup_partition_table_header, |
1269 | 1.68k | error ) != 1 ) |
1270 | 0 | { |
1271 | 0 | libcerror_error_set( |
1272 | 0 | error, |
1273 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1274 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1275 | 0 | "%s: unable to create backup partition table header.", |
1276 | 0 | function ); |
1277 | |
|
1278 | 0 | goto on_error; |
1279 | 0 | } |
1280 | 1.68k | result = 0; |
1281 | 1.68k | file_offset = partition_table_header->backup_partition_header_block_number * internal_volume->io_handle->bytes_per_sector; |
1282 | | |
1283 | 1.68k | if( file_offset > 0 ) |
1284 | 741 | { |
1285 | 741 | result = libvsgpt_partition_table_header_read_file_io_handle( |
1286 | 741 | backup_partition_table_header, |
1287 | 741 | file_io_handle, |
1288 | 741 | file_offset, |
1289 | 741 | error ); |
1290 | 741 | } |
1291 | 1.68k | if( ( result == 0 ) |
1292 | 735 | || ( file_offset == 0 ) ) |
1293 | 950 | { |
1294 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1295 | | if( libcnotify_verbose != 0 ) |
1296 | | { |
1297 | | libcnotify_printf( |
1298 | | "%s: invalid backup partition header block number fallback to last block.\n", |
1299 | | function ); |
1300 | | } |
1301 | | #endif |
1302 | 950 | file_offset = internal_volume->size - internal_volume->io_handle->bytes_per_sector; |
1303 | | |
1304 | 950 | result = libvsgpt_partition_table_header_read_file_io_handle( |
1305 | 950 | backup_partition_table_header, |
1306 | 950 | file_io_handle, |
1307 | 950 | file_offset, |
1308 | 950 | error ); |
1309 | 950 | } |
1310 | 1.68k | if( result != 1 ) |
1311 | 143 | { |
1312 | 143 | libcerror_error_set( |
1313 | 143 | error, |
1314 | 143 | LIBCERROR_ERROR_DOMAIN_IO, |
1315 | 143 | LIBCERROR_IO_ERROR_READ_FAILED, |
1316 | 143 | "%s: unable to read backup partition table header.", |
1317 | 143 | function ); |
1318 | | |
1319 | 143 | goto on_error; |
1320 | 143 | } |
1321 | 1.54k | if( ( partition_table_header->is_corrupt != 0 ) |
1322 | 105 | && ( backup_partition_table_header->is_corrupt != 0 ) ) |
1323 | 28 | { |
1324 | 28 | libcerror_error_set( |
1325 | 28 | error, |
1326 | 28 | LIBCERROR_ERROR_DOMAIN_INPUT, |
1327 | 28 | LIBCERROR_INPUT_ERROR_INVALID_DATA, |
1328 | 28 | "%s: partition table header and backup are both corrupt.", |
1329 | 28 | function ); |
1330 | | |
1331 | 28 | goto on_error; |
1332 | 28 | } |
1333 | 1.51k | if( ( partition_table_header->is_corrupt != 0 ) |
1334 | 1.43k | || ( backup_partition_table_header->is_corrupt != 0 ) ) |
1335 | 110 | { |
1336 | 110 | internal_volume->is_corrupt = 1; |
1337 | 110 | } |
1338 | 1.40k | else |
1339 | 1.40k | { |
1340 | 1.40k | if( partition_table_header->partition_header_block_number != backup_partition_table_header->backup_partition_header_block_number ) |
1341 | 1.26k | { |
1342 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1343 | | if( libcnotify_verbose != 0 ) |
1344 | | { |
1345 | | libcnotify_printf( |
1346 | | "%s: mismatch of partition table header block number.\n", |
1347 | | function ); |
1348 | | } |
1349 | | #endif |
1350 | 1.26k | internal_volume->is_corrupt = 1; |
1351 | 1.26k | } |
1352 | 1.40k | if( partition_table_header->backup_partition_header_block_number != backup_partition_table_header->partition_header_block_number ) |
1353 | 1.26k | { |
1354 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1355 | | if( libcnotify_verbose != 0 ) |
1356 | | { |
1357 | | libcnotify_printf( |
1358 | | "%s: mismatch of backup partition table header block number.\n", |
1359 | | function ); |
1360 | | } |
1361 | | #endif |
1362 | 1.26k | internal_volume->is_corrupt = 1; |
1363 | 1.26k | } |
1364 | 1.40k | if( partition_table_header->partition_area_start_block_number != backup_partition_table_header->partition_area_start_block_number ) |
1365 | 391 | { |
1366 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1367 | | if( libcnotify_verbose != 0 ) |
1368 | | { |
1369 | | libcnotify_printf( |
1370 | | "%s: mismatch of partition area start block number.\n", |
1371 | | function ); |
1372 | | } |
1373 | | #endif |
1374 | 391 | internal_volume->is_corrupt = 1; |
1375 | 391 | } |
1376 | 1.40k | if( partition_table_header->partition_area_end_block_number != backup_partition_table_header->partition_area_end_block_number ) |
1377 | 420 | { |
1378 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1379 | | if( libcnotify_verbose != 0 ) |
1380 | | { |
1381 | | libcnotify_printf( |
1382 | | "%s: mismatch of partition area end block number.\n", |
1383 | | function ); |
1384 | | } |
1385 | | #endif |
1386 | 420 | internal_volume->is_corrupt = 1; |
1387 | 420 | } |
1388 | 1.40k | if( memory_compare( |
1389 | 1.40k | partition_table_header->disk_identifier, |
1390 | 1.40k | backup_partition_table_header->disk_identifier, |
1391 | 1.40k | 16 ) != 0 ) |
1392 | 432 | { |
1393 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1394 | | if( libcnotify_verbose != 0 ) |
1395 | | { |
1396 | | libcnotify_printf( |
1397 | | "%s: mismatch of disk identifier.\n", |
1398 | | function ); |
1399 | | } |
1400 | | #endif |
1401 | 432 | internal_volume->is_corrupt = 1; |
1402 | 432 | } |
1403 | | /* The partition entries start block number will be different |
1404 | | */ |
1405 | 1.40k | if( partition_table_header->number_of_partition_entries != backup_partition_table_header->number_of_partition_entries ) |
1406 | 409 | { |
1407 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1408 | | if( libcnotify_verbose != 0 ) |
1409 | | { |
1410 | | libcnotify_printf( |
1411 | | "%s: mismatch of number of partition entries.\n", |
1412 | | function ); |
1413 | | } |
1414 | | #endif |
1415 | 409 | internal_volume->is_corrupt = 1; |
1416 | 409 | } |
1417 | 1.40k | if( partition_table_header->partition_entry_data_size != backup_partition_table_header->partition_entry_data_size ) |
1418 | 387 | { |
1419 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1420 | | if( libcnotify_verbose != 0 ) |
1421 | | { |
1422 | | libcnotify_printf( |
1423 | | "%s: mismatch of partition entry data size.\n", |
1424 | | function ); |
1425 | | } |
1426 | | #endif |
1427 | 387 | internal_volume->is_corrupt = 1; |
1428 | 387 | } |
1429 | 1.40k | if( partition_table_header->partition_entries_data_checksum != backup_partition_table_header->partition_entries_data_checksum ) |
1430 | 395 | { |
1431 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1432 | | if( libcnotify_verbose != 0 ) |
1433 | | { |
1434 | | libcnotify_printf( |
1435 | | "%s: mismatch of partition entries data checksum.\n", |
1436 | | function ); |
1437 | | } |
1438 | | #endif |
1439 | 395 | internal_volume->is_corrupt = 1; |
1440 | 395 | } |
1441 | 1.40k | } |
1442 | 1.51k | if( partition_table_header->is_corrupt != 0 ) |
1443 | 77 | { |
1444 | 77 | if( libvsgpt_partition_table_header_free( |
1445 | 77 | &partition_table_header, |
1446 | 77 | error ) != 1 ) |
1447 | 0 | { |
1448 | 0 | libcerror_error_set( |
1449 | 0 | error, |
1450 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1451 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1452 | 0 | "%s: unable to free partition table header.", |
1453 | 0 | function ); |
1454 | |
|
1455 | 0 | goto on_error; |
1456 | 0 | } |
1457 | 77 | internal_volume->partition_table_header = backup_partition_table_header; |
1458 | 77 | } |
1459 | 1.43k | else |
1460 | 1.43k | { |
1461 | 1.43k | if( libvsgpt_partition_table_header_free( |
1462 | 1.43k | &backup_partition_table_header, |
1463 | 1.43k | error ) != 1 ) |
1464 | 0 | { |
1465 | 0 | libcerror_error_set( |
1466 | 0 | error, |
1467 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1468 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1469 | 0 | "%s: unable to free backup partition table header.", |
1470 | 0 | function ); |
1471 | |
|
1472 | 0 | goto on_error; |
1473 | 0 | } |
1474 | 1.43k | internal_volume->partition_table_header = partition_table_header; |
1475 | 1.43k | } |
1476 | 1.51k | return( 1 ); |
1477 | | |
1478 | 553 | on_error: |
1479 | 553 | if( backup_partition_table_header != NULL ) |
1480 | 171 | { |
1481 | 171 | libvsgpt_partition_table_header_free( |
1482 | 171 | &backup_partition_table_header, |
1483 | 171 | NULL ); |
1484 | 171 | } |
1485 | 553 | if( partition_table_header != NULL ) |
1486 | 553 | { |
1487 | 553 | libvsgpt_partition_table_header_free( |
1488 | 553 | &partition_table_header, |
1489 | 553 | NULL ); |
1490 | 553 | } |
1491 | 553 | return( -1 ); |
1492 | 1.51k | } |
1493 | | |
1494 | | /* Reads partition entries |
1495 | | * Returns 1 if successful or -1 on error |
1496 | | */ |
1497 | | int libvsgpt_internal_volume_read_partition_entries( |
1498 | | libvsgpt_internal_volume_t *internal_volume, |
1499 | | libbfio_handle_t *file_io_handle, |
1500 | | off64_t file_offset, |
1501 | | libcerror_error_t **error ) |
1502 | 1.51k | { |
1503 | 1.51k | uint8_t *empty_partition_type[ 16 ] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
1504 | 1.51k | libvsgpt_partition_entry_t *partition_entry = NULL; |
1505 | 1.51k | libvsgpt_partition_values_t *partition_values = NULL; |
1506 | 1.51k | uint8_t *partition_entries_data = NULL; |
1507 | 1.51k | static char *function = "libvsgpt_internal_volume_read_partition_entries"; |
1508 | 1.51k | size_t data_offset = 0; |
1509 | 1.51k | size_t partition_entries_data_size = 0; |
1510 | 1.51k | ssize_t read_count = 0; |
1511 | 1.51k | uint32_t partition_entry_index = 0; |
1512 | 1.51k | int entry_index = 0; |
1513 | | |
1514 | 1.51k | if( internal_volume == NULL ) |
1515 | 0 | { |
1516 | 0 | libcerror_error_set( |
1517 | 0 | error, |
1518 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1519 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1520 | 0 | "%s: invalid internal volume.", |
1521 | 0 | function ); |
1522 | |
|
1523 | 0 | return( -1 ); |
1524 | 0 | } |
1525 | 1.51k | if( internal_volume->partition_table_header == NULL ) |
1526 | 0 | { |
1527 | 0 | libcerror_error_set( |
1528 | 0 | error, |
1529 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1530 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1531 | 0 | "%s: invalid volume - missing partition table header.", |
1532 | 0 | function ); |
1533 | |
|
1534 | 0 | return( -1 ); |
1535 | 0 | } |
1536 | | #if ( SIZEOF_SIZE_T <= 4 ) |
1537 | | if( ( internal_volume->partition_table_header->partition_entry_data_size < 128 ) |
1538 | | || ( internal_volume->partition_table_header->partition_entry_data_size > (size_t) SSIZE_MAX ) ) |
1539 | | #else |
1540 | 1.51k | if( internal_volume->partition_table_header->partition_entry_data_size < 128 ) |
1541 | 105 | #endif |
1542 | 105 | { |
1543 | 105 | libcerror_error_set( |
1544 | 105 | error, |
1545 | 105 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1546 | 105 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1547 | 105 | "%s: invalid volume - invalid partition table table header - partition entry data size value out of bounds.", |
1548 | 105 | function ); |
1549 | | |
1550 | 105 | return( -1 ); |
1551 | 105 | } |
1552 | 1.40k | if( internal_volume->partition_table_header->number_of_partition_entries > 256 ) |
1553 | 266 | { |
1554 | 266 | libcerror_error_set( |
1555 | 266 | error, |
1556 | 266 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1557 | 266 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1558 | 266 | "%s: invalid volume - invalid partition table table header - number of partition entries value out of bounds.", |
1559 | 266 | function ); |
1560 | | |
1561 | 266 | return( -1 ); |
1562 | 266 | } |
1563 | 1.14k | partition_entries_data_size = (size_t) internal_volume->partition_table_header->partition_entry_data_size * (size_t) internal_volume->partition_table_header->number_of_partition_entries; |
1564 | | |
1565 | 1.14k | if( partition_entries_data_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_OUT_OF_BOUNDS, |
1571 | 0 | "%s: invalid partition entries data size value out of bounds.", |
1572 | 0 | function ); |
1573 | |
|
1574 | 0 | return( -1 ); |
1575 | 0 | } |
1576 | 1.14k | partition_entries_data = (uint8_t *) memory_allocate( |
1577 | 1.14k | sizeof( uint8_t ) * partition_entries_data_size ); |
1578 | | |
1579 | 1.14k | if( partition_entries_data == NULL ) |
1580 | 0 | { |
1581 | 0 | libcerror_error_set( |
1582 | 0 | error, |
1583 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1584 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
1585 | 0 | "%s: unable to create partition entries data.", |
1586 | 0 | function ); |
1587 | |
|
1588 | 0 | goto on_error; |
1589 | 0 | } |
1590 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1591 | | if( libcnotify_verbose != 0 ) |
1592 | | { |
1593 | | libcnotify_printf( |
1594 | | "%s: reading partition entries at offset: %" PRIi64 " (0x%08" PRIx64 ").\n", |
1595 | | function, |
1596 | | file_offset, |
1597 | | file_offset ); |
1598 | | } |
1599 | | #endif |
1600 | 1.14k | read_count = libbfio_handle_read_buffer_at_offset( |
1601 | 1.14k | file_io_handle, |
1602 | 1.14k | partition_entries_data, |
1603 | 1.14k | partition_entries_data_size, |
1604 | 1.14k | file_offset, |
1605 | 1.14k | error ); |
1606 | | |
1607 | 1.14k | if( read_count != (ssize_t) partition_entries_data_size ) |
1608 | 209 | { |
1609 | 209 | libcerror_error_set( |
1610 | 209 | error, |
1611 | 209 | LIBCERROR_ERROR_DOMAIN_IO, |
1612 | 209 | LIBCERROR_IO_ERROR_READ_FAILED, |
1613 | 209 | "%s: unable to read partition entries data at offset: %" PRIi64 " (0x%08" PRIx64 ").", |
1614 | 209 | function, |
1615 | 209 | file_offset, |
1616 | 209 | file_offset ); |
1617 | | |
1618 | 209 | goto on_error; |
1619 | 209 | } |
1620 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1621 | | if( libcnotify_verbose != 0 ) |
1622 | | { |
1623 | | libcnotify_printf( |
1624 | | "%s: partition entries data:\n", |
1625 | | function ); |
1626 | | libcnotify_print_data( |
1627 | | partition_entries_data, |
1628 | | partition_entries_data_size, |
1629 | | LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA ); |
1630 | | } |
1631 | | #endif |
1632 | 934 | if( libvsgpt_partition_entry_initialize( |
1633 | 934 | &partition_entry, |
1634 | 934 | error ) != 1 ) |
1635 | 0 | { |
1636 | 0 | libcerror_error_set( |
1637 | 0 | error, |
1638 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1639 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1640 | 0 | "%s: unable to create partition entry.", |
1641 | 0 | function ); |
1642 | |
|
1643 | 0 | goto on_error; |
1644 | 0 | } |
1645 | 934 | for( partition_entry_index = 0; |
1646 | 9.29k | partition_entry_index < internal_volume->partition_table_header->number_of_partition_entries; |
1647 | 8.36k | partition_entry_index++ ) |
1648 | 8.85k | { |
1649 | 8.85k | if( libvsgpt_partition_entry_read_data( |
1650 | 8.85k | partition_entry, |
1651 | 8.85k | &( partition_entries_data[ data_offset ] ), |
1652 | 8.85k | internal_volume->partition_table_header->partition_entry_data_size, |
1653 | 8.85k | error ) != 1 ) |
1654 | 0 | { |
1655 | 0 | libcerror_error_set( |
1656 | 0 | error, |
1657 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1658 | 0 | LIBCERROR_IO_ERROR_READ_FAILED, |
1659 | 0 | "%s: unable to read partition entry data.", |
1660 | 0 | function ); |
1661 | |
|
1662 | 0 | goto on_error; |
1663 | 0 | } |
1664 | 8.85k | data_offset += internal_volume->partition_table_header->partition_entry_data_size; |
1665 | | |
1666 | | /* Ignore empty partition entries |
1667 | | */ |
1668 | 8.85k | if( memory_compare( |
1669 | 8.85k | partition_entry->type_identifier, |
1670 | 8.85k | empty_partition_type, |
1671 | 8.85k | 16 ) == 0 ) |
1672 | 2.61k | { |
1673 | 2.61k | continue; |
1674 | 2.61k | } |
1675 | 6.24k | if( libvsgpt_partition_values_initialize( |
1676 | 6.24k | &partition_values, |
1677 | 6.24k | error ) != 1 ) |
1678 | 0 | { |
1679 | 0 | libcerror_error_set( |
1680 | 0 | error, |
1681 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1682 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1683 | 0 | "%s: unable to create partition values.", |
1684 | 0 | function ); |
1685 | |
|
1686 | 0 | goto on_error; |
1687 | 0 | } |
1688 | | /* TODO refactor to libvsgtp_partition_values_copy_from_partition_entry */ |
1689 | 6.24k | if( memory_copy( |
1690 | 6.24k | partition_values->type_identifier, |
1691 | 6.24k | partition_entry->type_identifier, |
1692 | 6.24k | 16 ) == NULL ) |
1693 | 0 | { |
1694 | 0 | libcerror_error_set( |
1695 | 0 | error, |
1696 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1697 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1698 | 0 | "%s: unable to copy type identifier.", |
1699 | 0 | function ); |
1700 | |
|
1701 | 0 | goto on_error; |
1702 | 0 | } |
1703 | 6.24k | if( memory_copy( |
1704 | 6.24k | partition_values->identifier, |
1705 | 6.24k | partition_entry->identifier, |
1706 | 6.24k | 16 ) == NULL ) |
1707 | 0 | { |
1708 | 0 | libcerror_error_set( |
1709 | 0 | error, |
1710 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1711 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1712 | 0 | "%s: unable to copy identifier.", |
1713 | 0 | function ); |
1714 | |
|
1715 | 0 | goto on_error; |
1716 | 0 | } |
1717 | 6.24k | if( ( partition_entry->start_block_number < internal_volume->partition_table_header->partition_area_start_block_number ) |
1718 | 6.22k | || ( partition_entry->start_block_number >= (uint64_t) ( internal_volume->size / internal_volume->io_handle->bytes_per_sector ) ) ) |
1719 | 270 | { |
1720 | 270 | libcerror_error_set( |
1721 | 270 | error, |
1722 | 270 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1723 | 270 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1724 | 270 | "%s: invalid partition entry - start block number value out of bounds.", |
1725 | 270 | function ); |
1726 | | |
1727 | 270 | goto on_error; |
1728 | 270 | } |
1729 | 5.97k | if( ( partition_entry->end_block_number < partition_entry->start_block_number ) |
1730 | 5.97k | || ( partition_entry->end_block_number > (uint64_t) ( internal_volume->size / internal_volume->io_handle->bytes_per_sector ) ) ) |
1731 | 222 | { |
1732 | 222 | libcerror_error_set( |
1733 | 222 | error, |
1734 | 222 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1735 | 222 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1736 | 222 | "%s: invalid partition entry - end block number value out of bounds.", |
1737 | 222 | function ); |
1738 | | |
1739 | 222 | goto on_error; |
1740 | 222 | } |
1741 | 5.75k | partition_values->entry_index = partition_entry_index; |
1742 | 5.75k | partition_values->offset = (off64_t) ( partition_entry->start_block_number * internal_volume->io_handle->bytes_per_sector ); |
1743 | 5.75k | partition_values->size = (size64_t) ( ( partition_entry->end_block_number - partition_entry->start_block_number + 1 ) * internal_volume->io_handle->bytes_per_sector ); |
1744 | | |
1745 | 5.75k | if( libcdata_array_append_entry( |
1746 | 5.75k | internal_volume->partitions, |
1747 | 5.75k | &entry_index, |
1748 | 5.75k | (intptr_t *) partition_values, |
1749 | 5.75k | error ) != 1 ) |
1750 | 0 | { |
1751 | 0 | libcerror_error_set( |
1752 | 0 | error, |
1753 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1754 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
1755 | 0 | "%s: unable to append partition to array.", |
1756 | 0 | function ); |
1757 | |
|
1758 | 0 | goto on_error; |
1759 | 0 | } |
1760 | 5.75k | partition_values = NULL; |
1761 | 5.75k | } |
1762 | 442 | if( libvsgpt_partition_entry_free( |
1763 | 442 | &partition_entry, |
1764 | 442 | error ) != 1 ) |
1765 | 0 | { |
1766 | 0 | libcerror_error_set( |
1767 | 0 | error, |
1768 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1769 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1770 | 0 | "%s: unable to free partition entry.", |
1771 | 0 | function ); |
1772 | |
|
1773 | 0 | goto on_error; |
1774 | 0 | } |
1775 | 442 | memory_free( |
1776 | 442 | partition_entries_data ); |
1777 | | |
1778 | 442 | return( 1 ); |
1779 | | |
1780 | 701 | on_error: |
1781 | 701 | if( partition_values != NULL ) |
1782 | 492 | { |
1783 | 492 | libvsgpt_partition_values_free( |
1784 | 492 | &partition_values, |
1785 | 492 | NULL ); |
1786 | 492 | } |
1787 | 701 | if( partition_entry != NULL ) |
1788 | 492 | { |
1789 | 492 | libvsgpt_partition_entry_free( |
1790 | 492 | &partition_entry, |
1791 | 492 | NULL ); |
1792 | 492 | } |
1793 | 701 | if( partition_entries_data != NULL ) |
1794 | 701 | { |
1795 | 701 | memory_free( |
1796 | 701 | partition_entries_data ); |
1797 | 701 | } |
1798 | 701 | return( -1 ); |
1799 | 442 | } |
1800 | | |
1801 | | /* Reads partition entries in a master boot record or extended partition record |
1802 | | * Returns 1 if successful or -1 on error |
1803 | | */ |
1804 | | int libvsgpt_internal_volume_read_mbr_partition_entries( |
1805 | | libvsgpt_internal_volume_t *internal_volume, |
1806 | | libbfio_handle_t *file_io_handle, |
1807 | | off64_t file_offset, |
1808 | | libvsgpt_boot_record_t *boot_record, |
1809 | | uint8_t is_master_boot_record, |
1810 | | off64_t first_extended_boot_record_offset, |
1811 | | int recursion_depth, |
1812 | | libcerror_error_t **error ) |
1813 | 3.72k | { |
1814 | 3.72k | libvsgpt_boot_record_t *extended_partition_record = NULL; |
1815 | 3.72k | libvsgpt_mbr_partition_entry_t *partition_entry = NULL; |
1816 | 3.72k | libvsgpt_partition_values_t *partition_values = NULL; |
1817 | 3.72k | static char *function = "libvsgpt_internal_volume_read_mbr_partition_entries"; |
1818 | 3.72k | off64_t extended_partition_record_offset = 0; |
1819 | 3.72k | int partition_entry_index = 0; |
1820 | 3.72k | int result = 0; |
1821 | | |
1822 | 3.72k | if( internal_volume == NULL ) |
1823 | 0 | { |
1824 | 0 | libcerror_error_set( |
1825 | 0 | error, |
1826 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1827 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1828 | 0 | "%s: invalid internal volume.", |
1829 | 0 | function ); |
1830 | |
|
1831 | 0 | return( -1 ); |
1832 | 0 | } |
1833 | 3.72k | if( ( recursion_depth < 0 ) |
1834 | 3.72k | || ( recursion_depth > LIBVSGPT_MAXIMUM_RECURSION_DEPTH ) ) |
1835 | 11 | { |
1836 | 11 | libcerror_error_set( |
1837 | 11 | error, |
1838 | 11 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1839 | 11 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1840 | 11 | "%s: invalid recursion depth value out of bounds.", |
1841 | 11 | function ); |
1842 | | |
1843 | 11 | return( -1 ); |
1844 | 11 | } |
1845 | 3.71k | for( partition_entry_index = 0; |
1846 | 18.1k | partition_entry_index < 4; |
1847 | 14.4k | partition_entry_index++ ) |
1848 | 14.5k | { |
1849 | 14.5k | if( libvsgpt_boot_record_get_partition_entry_by_index( |
1850 | 14.5k | boot_record, |
1851 | 14.5k | partition_entry_index, |
1852 | 14.5k | &partition_entry, |
1853 | 14.5k | error ) != 1 ) |
1854 | 0 | { |
1855 | 0 | libcerror_error_set( |
1856 | 0 | error, |
1857 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1858 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1859 | 0 | "%s: unable to retrieve partition entry: %d.", |
1860 | 0 | function, |
1861 | 0 | partition_entry_index ); |
1862 | |
|
1863 | 0 | goto on_error; |
1864 | 0 | } |
1865 | 14.5k | if( partition_entry == NULL ) |
1866 | 0 | { |
1867 | 0 | libcerror_error_set( |
1868 | 0 | error, |
1869 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1870 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1871 | 0 | "%s: missing partition entry: %" PRIu8 ".", |
1872 | 0 | function, |
1873 | 0 | partition_entry_index ); |
1874 | |
|
1875 | 0 | goto on_error; |
1876 | 0 | } |
1877 | | /* Ignore empty partition entries |
1878 | | */ |
1879 | 14.5k | if( partition_entry->type == 0 ) |
1880 | 6.16k | { |
1881 | 6.16k | continue; |
1882 | 6.16k | } |
1883 | 8.42k | if( ( partition_entry->type == 0x05 ) |
1884 | 4.91k | || ( ( is_master_boot_record != 0 ) |
1885 | 488 | && ( partition_entry->type == 0x0f ) ) ) |
1886 | 3.53k | { |
1887 | 3.53k | if( extended_partition_record != NULL ) |
1888 | 22 | { |
1889 | 22 | libcerror_error_set( |
1890 | 22 | error, |
1891 | 22 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1892 | 22 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
1893 | 22 | "%s: more than 1 extended partition entry per table is not supported.", |
1894 | 22 | function ); |
1895 | | |
1896 | 22 | goto on_error; |
1897 | 22 | } |
1898 | 3.51k | extended_partition_record_offset = first_extended_boot_record_offset + ( (off64_t) partition_entry->start_address_lba * internal_volume->io_handle->bytes_per_sector ); |
1899 | | |
1900 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1901 | | if( libcnotify_verbose != 0 ) |
1902 | | { |
1903 | | libcnotify_printf( |
1904 | | "%s: reading Extended Partition Record (EPR) at offset: %" PRIi64 " (0x%08" PRIx64 ").\n", |
1905 | | function, |
1906 | | extended_partition_record_offset, |
1907 | | extended_partition_record_offset ); |
1908 | | } |
1909 | | #endif |
1910 | 3.51k | if( libvsgpt_boot_record_initialize( |
1911 | 3.51k | &extended_partition_record, |
1912 | 3.51k | error ) != 1 ) |
1913 | 0 | { |
1914 | 0 | libcerror_error_set( |
1915 | 0 | error, |
1916 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1917 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1918 | 0 | "%s: unable to create extended partition record.", |
1919 | 0 | function ); |
1920 | |
|
1921 | 0 | goto on_error; |
1922 | 0 | } |
1923 | 3.51k | result = libvsgpt_boot_record_read_file_io_handle( |
1924 | 3.51k | extended_partition_record, |
1925 | 3.51k | file_io_handle, |
1926 | 3.51k | extended_partition_record_offset, |
1927 | 3.51k | error ); |
1928 | | |
1929 | | /* Linux fdisk supports sector sizes of: 512, 1024, 2048, 4096 |
1930 | | */ |
1931 | 3.99k | while( ( result != 1 ) |
1932 | 627 | && ( is_master_boot_record != 0 ) |
1933 | 595 | && ( internal_volume->io_handle->bytes_per_sector <= 4096 ) ) |
1934 | 482 | { |
1935 | 482 | libcerror_error_free( |
1936 | 482 | error ); |
1937 | | |
1938 | 482 | internal_volume->io_handle->bytes_per_sector *= 2; |
1939 | | |
1940 | 482 | extended_partition_record_offset = (off64_t) partition_entry->start_address_lba * internal_volume->io_handle->bytes_per_sector; |
1941 | | |
1942 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1943 | | if( libcnotify_verbose != 0 ) |
1944 | | { |
1945 | | libcnotify_printf( |
1946 | | "%s: reading Extended Partition Record (EPR) at offset: %" PRIi64 " (0x%08" PRIx64 ").\n", |
1947 | | function, |
1948 | | extended_partition_record_offset, |
1949 | | extended_partition_record_offset ); |
1950 | | } |
1951 | | #endif |
1952 | 482 | result = libvsgpt_boot_record_read_file_io_handle( |
1953 | 482 | extended_partition_record, |
1954 | 482 | file_io_handle, |
1955 | 482 | extended_partition_record_offset, |
1956 | 482 | error ); |
1957 | 482 | } |
1958 | 3.51k | if( result != 1 ) |
1959 | 145 | { |
1960 | 145 | libcerror_error_set( |
1961 | 145 | error, |
1962 | 145 | LIBCERROR_ERROR_DOMAIN_IO, |
1963 | 145 | LIBCERROR_IO_ERROR_READ_FAILED, |
1964 | 145 | "%s: unable to read extended partition record.", |
1965 | 145 | function ); |
1966 | | |
1967 | 145 | goto on_error; |
1968 | 145 | } |
1969 | 3.51k | } |
1970 | 4.88k | else |
1971 | 4.88k | { |
1972 | | /* TODO do bytes per sector check for known volume types and GPT */ |
1973 | | |
1974 | | #ifdef TODO |
1975 | | if( libvsgpt_partition_values_initialize( |
1976 | | &partition_values, |
1977 | | error ) != 1 ) |
1978 | | { |
1979 | | libcerror_error_set( |
1980 | | error, |
1981 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1982 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1983 | | "%s: unable to create partition values.", |
1984 | | function ); |
1985 | | |
1986 | | goto on_error; |
1987 | | } |
1988 | | partition_values->type = partition_entry->type; |
1989 | | |
1990 | | partition_values->offset = first_extended_boot_record_offset + ( (off64_t) partition_entry->start_address_lba * internal_volume->io_handle->bytes_per_sector ); |
1991 | | partition_values->size = partition_entry->number_of_sectors * internal_volume->io_handle->bytes_per_sector; |
1992 | | |
1993 | | /* TODO offset and size sanity check */ |
1994 | | |
1995 | | if( libcdata_array_append_entry( |
1996 | | internal_volume->partitions, |
1997 | | &entry_index, |
1998 | | (intptr_t *) partition_values, |
1999 | | error ) != 1 ) |
2000 | | { |
2001 | | libcerror_error_set( |
2002 | | error, |
2003 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2004 | | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
2005 | | "%s: unable to append partition to array.", |
2006 | | function ); |
2007 | | |
2008 | | goto on_error; |
2009 | | } |
2010 | | partition_values = NULL; |
2011 | | #endif /* TODO */ |
2012 | 4.88k | } |
2013 | 8.42k | } |
2014 | 3.54k | if( extended_partition_record != NULL ) |
2015 | 3.34k | { |
2016 | 3.34k | if( ( extended_partition_record_offset == 0 ) |
2017 | 3.33k | || ( extended_partition_record_offset == file_offset ) ) |
2018 | 29 | { |
2019 | 29 | libcerror_error_set( |
2020 | 29 | error, |
2021 | 29 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2022 | 29 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2023 | 29 | "%s: unsupported extended partition record offset.", |
2024 | 29 | function ); |
2025 | | |
2026 | 29 | goto on_error; |
2027 | 29 | } |
2028 | 3.31k | if( is_master_boot_record != 0 ) |
2029 | 138 | { |
2030 | 138 | first_extended_boot_record_offset = extended_partition_record_offset; |
2031 | 138 | } |
2032 | 3.31k | if( libvsgpt_internal_volume_read_mbr_partition_entries( |
2033 | 3.31k | internal_volume, |
2034 | 3.31k | file_io_handle, |
2035 | 3.31k | extended_partition_record_offset, |
2036 | 3.31k | extended_partition_record, |
2037 | 3.31k | 0, |
2038 | 3.31k | first_extended_boot_record_offset, |
2039 | 3.31k | recursion_depth + 1, |
2040 | 3.31k | error ) != 1 ) |
2041 | 3.14k | { |
2042 | 3.14k | libcerror_error_set( |
2043 | 3.14k | error, |
2044 | 3.14k | LIBCERROR_ERROR_DOMAIN_IO, |
2045 | 3.14k | LIBCERROR_IO_ERROR_READ_FAILED, |
2046 | 3.14k | "%s: unable to read partition entries.", |
2047 | 3.14k | function ); |
2048 | | |
2049 | 3.14k | goto on_error; |
2050 | 3.14k | } |
2051 | 174 | if( libvsgpt_boot_record_free( |
2052 | 174 | &extended_partition_record, |
2053 | 174 | error ) != 1 ) |
2054 | 0 | { |
2055 | 0 | libcerror_error_set( |
2056 | 0 | error, |
2057 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2058 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2059 | 0 | "%s: unable to free extended partition record.", |
2060 | 0 | function ); |
2061 | |
|
2062 | 0 | goto on_error; |
2063 | 0 | } |
2064 | 174 | } |
2065 | 375 | return( 1 ); |
2066 | | |
2067 | 3.33k | on_error: |
2068 | 3.33k | if( partition_values != NULL ) |
2069 | 0 | { |
2070 | 0 | libvsgpt_partition_values_free( |
2071 | 0 | &partition_values, |
2072 | 0 | NULL ); |
2073 | 0 | } |
2074 | 3.33k | if( extended_partition_record != NULL ) |
2075 | 3.33k | { |
2076 | 3.33k | libvsgpt_boot_record_free( |
2077 | 3.33k | &extended_partition_record, |
2078 | 3.33k | NULL ); |
2079 | 3.33k | } |
2080 | 3.33k | return( -1 ); |
2081 | 3.54k | } |
2082 | | |
2083 | | /* Retrieves the number of bytes per sector |
2084 | | * Returns 1 if successful or -1 on error |
2085 | | */ |
2086 | | int libvsgpt_volume_get_bytes_per_sector( |
2087 | | libvsgpt_volume_t *volume, |
2088 | | uint32_t *bytes_per_sector, |
2089 | | libcerror_error_t **error ) |
2090 | 47 | { |
2091 | 47 | libvsgpt_internal_volume_t *internal_volume = NULL; |
2092 | 47 | static char *function = "libvsgpt_volume_get_bytes_per_sector"; |
2093 | | |
2094 | 47 | if( volume == NULL ) |
2095 | 0 | { |
2096 | 0 | libcerror_error_set( |
2097 | 0 | error, |
2098 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2099 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2100 | 0 | "%s: invalid volume.", |
2101 | 0 | function ); |
2102 | |
|
2103 | 0 | return( -1 ); |
2104 | 0 | } |
2105 | 47 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
2106 | | |
2107 | 47 | if( internal_volume->io_handle == NULL ) |
2108 | 0 | { |
2109 | 0 | libcerror_error_set( |
2110 | 0 | error, |
2111 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2112 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2113 | 0 | "%s: invalid volume - missing IO handle.", |
2114 | 0 | function ); |
2115 | |
|
2116 | 0 | return( -1 ); |
2117 | 0 | } |
2118 | 47 | if( bytes_per_sector == NULL ) |
2119 | 0 | { |
2120 | 0 | libcerror_error_set( |
2121 | 0 | error, |
2122 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2123 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2124 | 0 | "%s: invalid bytes per sector.", |
2125 | 0 | function ); |
2126 | |
|
2127 | 0 | return( -1 ); |
2128 | 0 | } |
2129 | 47 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2130 | 47 | if( libcthreads_read_write_lock_grab_for_read( |
2131 | 47 | internal_volume->read_write_lock, |
2132 | 47 | error ) != 1 ) |
2133 | 0 | { |
2134 | 0 | libcerror_error_set( |
2135 | 0 | error, |
2136 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2137 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2138 | 0 | "%s: unable to grab read/write lock for reading.", |
2139 | 0 | function ); |
2140 | |
|
2141 | 0 | return( -1 ); |
2142 | 0 | } |
2143 | 47 | #endif |
2144 | 47 | *bytes_per_sector = internal_volume->io_handle->bytes_per_sector; |
2145 | | |
2146 | 47 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2147 | 47 | if( libcthreads_read_write_lock_release_for_read( |
2148 | 47 | internal_volume->read_write_lock, |
2149 | 47 | error ) != 1 ) |
2150 | 0 | { |
2151 | 0 | libcerror_error_set( |
2152 | 0 | error, |
2153 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2154 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2155 | 0 | "%s: unable to release read/write lock for reading.", |
2156 | 0 | function ); |
2157 | |
|
2158 | 0 | return( -1 ); |
2159 | 0 | } |
2160 | 47 | #endif |
2161 | 47 | return( 1 ); |
2162 | 47 | } |
2163 | | |
2164 | | /* Retrieves the disk identifier |
2165 | | * The identifier is a GUID stored in little-endian and is 16 bytes of size |
2166 | | * Returns 1 if successful or -1 on error |
2167 | | */ |
2168 | | int libvsgpt_volume_get_disk_identifier( |
2169 | | libvsgpt_volume_t *volume, |
2170 | | uint8_t *guid_data, |
2171 | | size_t guid_data_size, |
2172 | | libcerror_error_t **error ) |
2173 | 47 | { |
2174 | 47 | libvsgpt_internal_volume_t *internal_volume = NULL; |
2175 | 47 | static char *function = "libvsgpt_volume_get_disk_identifier"; |
2176 | 47 | int result = 1; |
2177 | | |
2178 | 47 | if( volume == NULL ) |
2179 | 0 | { |
2180 | 0 | libcerror_error_set( |
2181 | 0 | error, |
2182 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2183 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2184 | 0 | "%s: invalid volume.", |
2185 | 0 | function ); |
2186 | |
|
2187 | 0 | return( -1 ); |
2188 | 0 | } |
2189 | 47 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
2190 | | |
2191 | 47 | if( internal_volume->partition_table_header == NULL ) |
2192 | 0 | { |
2193 | 0 | libcerror_error_set( |
2194 | 0 | error, |
2195 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2196 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2197 | 0 | "%s: invalid volume - missing partition table header.", |
2198 | 0 | function ); |
2199 | |
|
2200 | 0 | return( -1 ); |
2201 | 0 | } |
2202 | 47 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2203 | 47 | if( libcthreads_read_write_lock_grab_for_read( |
2204 | 47 | internal_volume->read_write_lock, |
2205 | 47 | error ) != 1 ) |
2206 | 0 | { |
2207 | 0 | libcerror_error_set( |
2208 | 0 | error, |
2209 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2210 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2211 | 0 | "%s: unable to grab read/write lock for reading.", |
2212 | 0 | function ); |
2213 | |
|
2214 | 0 | return( -1 ); |
2215 | 0 | } |
2216 | 47 | #endif |
2217 | 47 | if( libvsgpt_partition_table_header_get_disk_identifier( |
2218 | 47 | internal_volume->partition_table_header, |
2219 | 47 | guid_data, |
2220 | 47 | guid_data_size, |
2221 | 47 | error ) != 1 ) |
2222 | 0 | { |
2223 | 0 | libcerror_error_set( |
2224 | 0 | error, |
2225 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2226 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2227 | 0 | "%s: unable to retrieve disk identifier.", |
2228 | 0 | function ); |
2229 | |
|
2230 | 0 | result = -1; |
2231 | 0 | } |
2232 | 47 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2233 | 47 | if( libcthreads_read_write_lock_release_for_read( |
2234 | 47 | internal_volume->read_write_lock, |
2235 | 47 | error ) != 1 ) |
2236 | 0 | { |
2237 | 0 | libcerror_error_set( |
2238 | 0 | error, |
2239 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2240 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2241 | 0 | "%s: unable to release read/write lock for reading.", |
2242 | 0 | function ); |
2243 | |
|
2244 | 0 | return( -1 ); |
2245 | 0 | } |
2246 | 47 | #endif |
2247 | 47 | return( result ); |
2248 | 47 | } |
2249 | | |
2250 | | /* Retrieves the number of partitions |
2251 | | * Returns 1 if successful or -1 on error |
2252 | | */ |
2253 | | int libvsgpt_volume_get_number_of_partitions( |
2254 | | libvsgpt_volume_t *volume, |
2255 | | int *number_of_partitions, |
2256 | | libcerror_error_t **error ) |
2257 | 201 | { |
2258 | 201 | libvsgpt_internal_volume_t *internal_volume = NULL; |
2259 | 201 | static char *function = "libvsgpt_volume_get_number_of_partitions"; |
2260 | 201 | int result = 1; |
2261 | | |
2262 | 201 | if( volume == NULL ) |
2263 | 0 | { |
2264 | 0 | libcerror_error_set( |
2265 | 0 | error, |
2266 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2267 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2268 | 0 | "%s: invalid volume.", |
2269 | 0 | function ); |
2270 | |
|
2271 | 0 | return( -1 ); |
2272 | 0 | } |
2273 | 201 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
2274 | | |
2275 | 201 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2276 | 201 | if( libcthreads_read_write_lock_grab_for_read( |
2277 | 201 | internal_volume->read_write_lock, |
2278 | 201 | error ) != 1 ) |
2279 | 0 | { |
2280 | 0 | libcerror_error_set( |
2281 | 0 | error, |
2282 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2283 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2284 | 0 | "%s: unable to grab read/write lock for reading.", |
2285 | 0 | function ); |
2286 | |
|
2287 | 0 | return( -1 ); |
2288 | 0 | } |
2289 | 201 | #endif |
2290 | 201 | if( libcdata_array_get_number_of_entries( |
2291 | 201 | internal_volume->partitions, |
2292 | 201 | number_of_partitions, |
2293 | 201 | error ) != 1 ) |
2294 | 0 | { |
2295 | 0 | libcerror_error_set( |
2296 | 0 | error, |
2297 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2298 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2299 | 0 | "%s: unable to retrieve number of partitions from array.", |
2300 | 0 | function ); |
2301 | |
|
2302 | 0 | result = -1; |
2303 | 0 | } |
2304 | 201 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2305 | 201 | if( libcthreads_read_write_lock_release_for_read( |
2306 | 201 | internal_volume->read_write_lock, |
2307 | 201 | error ) != 1 ) |
2308 | 0 | { |
2309 | 0 | libcerror_error_set( |
2310 | 0 | error, |
2311 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2312 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2313 | 0 | "%s: unable to release read/write lock for reading.", |
2314 | 0 | function ); |
2315 | |
|
2316 | 0 | return( -1 ); |
2317 | 0 | } |
2318 | 201 | #endif |
2319 | 201 | return( result ); |
2320 | 201 | } |
2321 | | |
2322 | | /* Retrieves a specific partition |
2323 | | * Returns 1 if successful or -1 on error |
2324 | | */ |
2325 | | int libvsgpt_volume_get_partition_by_index( |
2326 | | libvsgpt_volume_t *volume, |
2327 | | int partition_index, |
2328 | | libvsgpt_partition_t **partition, |
2329 | | libcerror_error_t **error ) |
2330 | 140 | { |
2331 | 140 | libvsgpt_internal_volume_t *internal_volume = NULL; |
2332 | 140 | libvsgpt_partition_values_t *partition_values = NULL; |
2333 | 140 | static char *function = "libvsgpt_volume_get_partition_by_index"; |
2334 | 140 | int result = 1; |
2335 | | |
2336 | 140 | if( volume == NULL ) |
2337 | 0 | { |
2338 | 0 | libcerror_error_set( |
2339 | 0 | error, |
2340 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2341 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2342 | 0 | "%s: invalid volume.", |
2343 | 0 | function ); |
2344 | |
|
2345 | 0 | return( -1 ); |
2346 | 0 | } |
2347 | 140 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
2348 | | |
2349 | 140 | if( partition == NULL ) |
2350 | 0 | { |
2351 | 0 | libcerror_error_set( |
2352 | 0 | error, |
2353 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2354 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2355 | 0 | "%s: invalid partition.", |
2356 | 0 | function ); |
2357 | |
|
2358 | 0 | return( -1 ); |
2359 | 0 | } |
2360 | 140 | if( *partition != NULL ) |
2361 | 0 | { |
2362 | 0 | libcerror_error_set( |
2363 | 0 | error, |
2364 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2365 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2366 | 0 | "%s: invalid partition value already set.", |
2367 | 0 | function ); |
2368 | |
|
2369 | 0 | return( -1 ); |
2370 | 0 | } |
2371 | 140 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2372 | 140 | if( libcthreads_read_write_lock_grab_for_read( |
2373 | 140 | internal_volume->read_write_lock, |
2374 | 140 | error ) != 1 ) |
2375 | 0 | { |
2376 | 0 | libcerror_error_set( |
2377 | 0 | error, |
2378 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2379 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2380 | 0 | "%s: unable to grab read/write lock for reading.", |
2381 | 0 | function ); |
2382 | |
|
2383 | 0 | return( -1 ); |
2384 | 0 | } |
2385 | 140 | #endif |
2386 | 140 | if( libcdata_array_get_entry_by_index( |
2387 | 140 | internal_volume->partitions, |
2388 | 140 | partition_index, |
2389 | 140 | (intptr_t **) &partition_values, |
2390 | 140 | error ) != 1 ) |
2391 | 0 | { |
2392 | 0 | libcerror_error_set( |
2393 | 0 | error, |
2394 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2395 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2396 | 0 | "%s: unable to retrieve partition values: %d from array.", |
2397 | 0 | function, |
2398 | 0 | partition_index ); |
2399 | |
|
2400 | 0 | result = -1; |
2401 | 0 | } |
2402 | 140 | else |
2403 | 140 | { |
2404 | 140 | if( libvsgpt_partition_initialize( |
2405 | 140 | partition, |
2406 | 140 | internal_volume->file_io_handle, |
2407 | 140 | partition_values, |
2408 | 140 | error ) != 1 ) |
2409 | 0 | { |
2410 | 0 | libcerror_error_set( |
2411 | 0 | error, |
2412 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2413 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2414 | 0 | "%s: unable to create partition: %d.", |
2415 | 0 | function, |
2416 | 0 | partition_index ); |
2417 | |
|
2418 | 0 | result = -1; |
2419 | 0 | } |
2420 | 140 | } |
2421 | 140 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2422 | 140 | if( libcthreads_read_write_lock_release_for_read( |
2423 | 140 | internal_volume->read_write_lock, |
2424 | 140 | error ) != 1 ) |
2425 | 0 | { |
2426 | 0 | libcerror_error_set( |
2427 | 0 | error, |
2428 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2429 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2430 | 0 | "%s: unable to release read/write lock for reading.", |
2431 | 0 | function ); |
2432 | |
|
2433 | 0 | result = -1; |
2434 | 0 | } |
2435 | 140 | #endif |
2436 | 140 | if( result == -1 ) |
2437 | 0 | { |
2438 | 0 | goto on_error; |
2439 | 0 | } |
2440 | 140 | return( 1 ); |
2441 | | |
2442 | 0 | on_error: |
2443 | 0 | if( *partition != NULL ) |
2444 | 0 | { |
2445 | 0 | libvsgpt_partition_free( |
2446 | 0 | partition, |
2447 | 0 | NULL ); |
2448 | 0 | } |
2449 | 0 | return( -1 ); |
2450 | 140 | } |
2451 | | |
2452 | | /* Retrieves the partition values with the corresponding (partition) entry index |
2453 | | * This function is not multi-thread safe acquire read lock before call |
2454 | | * Returns 1 if successful, 0 if not found or -1 on error |
2455 | | */ |
2456 | | int libvsgpt_internal_volume_get_partition_values_by_identifier( |
2457 | | libvsgpt_internal_volume_t *internal_volume, |
2458 | | uint32_t entry_index, |
2459 | | libvsgpt_partition_values_t **partition_values, |
2460 | | libcerror_error_t **error ) |
2461 | 0 | { |
2462 | 0 | libvsgpt_partition_values_t *safe_partition_values = NULL; |
2463 | 0 | static char *function = "libvsgpt_internal_volume_get_partition_values_by_identifier"; |
2464 | 0 | uint32_t safe_entry_index = 0; |
2465 | 0 | int number_of_partitions = 0; |
2466 | 0 | int partition_index = 0; |
2467 | |
|
2468 | 0 | if( internal_volume == NULL ) |
2469 | 0 | { |
2470 | 0 | libcerror_error_set( |
2471 | 0 | error, |
2472 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2473 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2474 | 0 | "%s: invalid volume.", |
2475 | 0 | function ); |
2476 | |
|
2477 | 0 | return( -1 ); |
2478 | 0 | } |
2479 | 0 | if( partition_values == NULL ) |
2480 | 0 | { |
2481 | 0 | libcerror_error_set( |
2482 | 0 | error, |
2483 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2484 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2485 | 0 | "%s: invalid partition values.", |
2486 | 0 | function ); |
2487 | |
|
2488 | 0 | return( -1 ); |
2489 | 0 | } |
2490 | 0 | if( libcdata_array_get_number_of_entries( |
2491 | 0 | internal_volume->partitions, |
2492 | 0 | &number_of_partitions, |
2493 | 0 | error ) != 1 ) |
2494 | 0 | { |
2495 | 0 | libcerror_error_set( |
2496 | 0 | error, |
2497 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2498 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2499 | 0 | "%s: unable to retrieve number of partitions from array.", |
2500 | 0 | function ); |
2501 | |
|
2502 | 0 | return( -1 ); |
2503 | 0 | } |
2504 | 0 | for( partition_index = 0; |
2505 | 0 | partition_index < number_of_partitions; |
2506 | 0 | partition_index++ ) |
2507 | 0 | { |
2508 | 0 | if( libcdata_array_get_entry_by_index( |
2509 | 0 | internal_volume->partitions, |
2510 | 0 | partition_index, |
2511 | 0 | (intptr_t **) &safe_partition_values, |
2512 | 0 | error ) != 1 ) |
2513 | 0 | { |
2514 | 0 | libcerror_error_set( |
2515 | 0 | error, |
2516 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2517 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2518 | 0 | "%s: unable to retrieve partition values: %d from array.", |
2519 | 0 | function, |
2520 | 0 | partition_index ); |
2521 | |
|
2522 | 0 | return( -1 ); |
2523 | 0 | } |
2524 | 0 | if( libvsgpt_partition_values_get_entry_index( |
2525 | 0 | safe_partition_values, |
2526 | 0 | &safe_entry_index, |
2527 | 0 | error ) != 1 ) |
2528 | 0 | { |
2529 | 0 | libcerror_error_set( |
2530 | 0 | error, |
2531 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2532 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2533 | 0 | "%s: unable to retrieve entry index from partition values: %d.", |
2534 | 0 | function, |
2535 | 0 | partition_index ); |
2536 | |
|
2537 | 0 | return( -1 ); |
2538 | 0 | } |
2539 | 0 | if( safe_entry_index == entry_index ) |
2540 | 0 | { |
2541 | 0 | *partition_values = safe_partition_values; |
2542 | |
|
2543 | 0 | return( 1 ); |
2544 | 0 | } |
2545 | 0 | } |
2546 | 0 | return( 0 ); |
2547 | 0 | } |
2548 | | |
2549 | | /* Determines if the volume contains a partition with the corresponding (partition) entry index |
2550 | | * Returns 1 if the volume contains such a partition, 0 if not or -1 on error |
2551 | | */ |
2552 | | int libvsgpt_volume_has_partition_with_identifier( |
2553 | | libvsgpt_volume_t *volume, |
2554 | | uint32_t entry_index, |
2555 | | libcerror_error_t **error ) |
2556 | 0 | { |
2557 | 0 | libvsgpt_internal_volume_t *internal_volume = NULL; |
2558 | 0 | libvsgpt_partition_values_t *partition_values = NULL; |
2559 | 0 | static char *function = "libvsgpt_volume_has_partition_with_identifier"; |
2560 | 0 | int result = 0; |
2561 | |
|
2562 | 0 | if( volume == NULL ) |
2563 | 0 | { |
2564 | 0 | libcerror_error_set( |
2565 | 0 | error, |
2566 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2567 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2568 | 0 | "%s: invalid volume.", |
2569 | 0 | function ); |
2570 | |
|
2571 | 0 | return( -1 ); |
2572 | 0 | } |
2573 | 0 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
2574 | |
|
2575 | 0 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2576 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2577 | 0 | internal_volume->read_write_lock, |
2578 | 0 | error ) != 1 ) |
2579 | 0 | { |
2580 | 0 | libcerror_error_set( |
2581 | 0 | error, |
2582 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2583 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2584 | 0 | "%s: unable to grab read/write lock for reading.", |
2585 | 0 | function ); |
2586 | |
|
2587 | 0 | return( -1 ); |
2588 | 0 | } |
2589 | 0 | #endif |
2590 | 0 | result = libvsgpt_internal_volume_get_partition_values_by_identifier( |
2591 | 0 | internal_volume, |
2592 | 0 | entry_index, |
2593 | 0 | &partition_values, |
2594 | 0 | error ); |
2595 | |
|
2596 | 0 | if( result == -1 ) |
2597 | 0 | { |
2598 | 0 | libcerror_error_set( |
2599 | 0 | error, |
2600 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2601 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2602 | 0 | "%s: unable to retrieve partition values.", |
2603 | 0 | function ); |
2604 | |
|
2605 | 0 | result = -1; |
2606 | 0 | } |
2607 | 0 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2608 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2609 | 0 | internal_volume->read_write_lock, |
2610 | 0 | error ) != 1 ) |
2611 | 0 | { |
2612 | 0 | libcerror_error_set( |
2613 | 0 | error, |
2614 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2615 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2616 | 0 | "%s: unable to release read/write lock for reading.", |
2617 | 0 | function ); |
2618 | |
|
2619 | 0 | return( -1 ); |
2620 | 0 | } |
2621 | 0 | #endif |
2622 | 0 | return( result ); |
2623 | 0 | } |
2624 | | |
2625 | | /* Retrieves the partition with the corresponding (partition) entry index |
2626 | | * Returns 1 if successful, 0 if not found or -1 on error |
2627 | | */ |
2628 | | int libvsgpt_volume_get_partition_by_identifier( |
2629 | | libvsgpt_volume_t *volume, |
2630 | | uint32_t entry_index, |
2631 | | libvsgpt_partition_t **partition, |
2632 | | libcerror_error_t **error ) |
2633 | 0 | { |
2634 | 0 | libvsgpt_internal_volume_t *internal_volume = NULL; |
2635 | 0 | libvsgpt_partition_values_t *partition_values = NULL; |
2636 | 0 | static char *function = "libvsgpt_volume_get_partition_by_identifier"; |
2637 | 0 | int result = 1; |
2638 | |
|
2639 | 0 | if( volume == NULL ) |
2640 | 0 | { |
2641 | 0 | libcerror_error_set( |
2642 | 0 | error, |
2643 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2644 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2645 | 0 | "%s: invalid volume.", |
2646 | 0 | function ); |
2647 | |
|
2648 | 0 | return( -1 ); |
2649 | 0 | } |
2650 | 0 | internal_volume = (libvsgpt_internal_volume_t *) volume; |
2651 | |
|
2652 | 0 | if( partition == NULL ) |
2653 | 0 | { |
2654 | 0 | libcerror_error_set( |
2655 | 0 | error, |
2656 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2657 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2658 | 0 | "%s: invalid partition.", |
2659 | 0 | function ); |
2660 | |
|
2661 | 0 | return( -1 ); |
2662 | 0 | } |
2663 | 0 | if( *partition != NULL ) |
2664 | 0 | { |
2665 | 0 | libcerror_error_set( |
2666 | 0 | error, |
2667 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2668 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2669 | 0 | "%s: invalid partition value already set.", |
2670 | 0 | function ); |
2671 | |
|
2672 | 0 | return( -1 ); |
2673 | 0 | } |
2674 | 0 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2675 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
2676 | 0 | internal_volume->read_write_lock, |
2677 | 0 | error ) != 1 ) |
2678 | 0 | { |
2679 | 0 | libcerror_error_set( |
2680 | 0 | error, |
2681 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2682 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2683 | 0 | "%s: unable to grab read/write lock for reading.", |
2684 | 0 | function ); |
2685 | |
|
2686 | 0 | return( -1 ); |
2687 | 0 | } |
2688 | 0 | #endif |
2689 | 0 | result = libvsgpt_internal_volume_get_partition_values_by_identifier( |
2690 | 0 | internal_volume, |
2691 | 0 | entry_index, |
2692 | 0 | &partition_values, |
2693 | 0 | error ); |
2694 | |
|
2695 | 0 | if( result == -1 ) |
2696 | 0 | { |
2697 | 0 | libcerror_error_set( |
2698 | 0 | error, |
2699 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2700 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2701 | 0 | "%s: unable to retrieve partition values.", |
2702 | 0 | function ); |
2703 | |
|
2704 | 0 | result = -1; |
2705 | 0 | } |
2706 | 0 | else if( result != 0 ) |
2707 | 0 | { |
2708 | 0 | if( libvsgpt_partition_initialize( |
2709 | 0 | partition, |
2710 | 0 | internal_volume->file_io_handle, |
2711 | 0 | partition_values, |
2712 | 0 | error ) != 1 ) |
2713 | 0 | { |
2714 | 0 | libcerror_error_set( |
2715 | 0 | error, |
2716 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2717 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2718 | 0 | "%s: unable to create partition.", |
2719 | 0 | function ); |
2720 | |
|
2721 | 0 | result = -1; |
2722 | 0 | } |
2723 | 0 | } |
2724 | 0 | #if defined( HAVE_LIBVSGPT_MULTI_THREAD_SUPPORT ) |
2725 | 0 | if( libcthreads_read_write_lock_release_for_read( |
2726 | 0 | internal_volume->read_write_lock, |
2727 | 0 | error ) != 1 ) |
2728 | 0 | { |
2729 | 0 | libcerror_error_set( |
2730 | 0 | error, |
2731 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2732 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2733 | 0 | "%s: unable to release read/write lock for reading.", |
2734 | 0 | function ); |
2735 | |
|
2736 | 0 | result = -1; |
2737 | 0 | } |
2738 | 0 | #endif |
2739 | 0 | if( result == -1 ) |
2740 | 0 | { |
2741 | 0 | goto on_error; |
2742 | 0 | } |
2743 | 0 | return( result ); |
2744 | | |
2745 | 0 | on_error: |
2746 | 0 | if( *partition != NULL ) |
2747 | 0 | { |
2748 | 0 | libvsgpt_partition_free( |
2749 | 0 | partition, |
2750 | | NULL ); |
2751 | 0 | } |
2752 | 0 | return( -1 ); |
2753 | 0 | } |
2754 | | |