/src/libfshfs/libfshfs/libfshfs_volume.c
Line | Count | Source |
1 | | /* |
2 | | * Volume functions |
3 | | * |
4 | | * Copyright (C) 2009-2026, 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 "libfshfs_debug.h" |
29 | | #include "libfshfs_definitions.h" |
30 | | #include "libfshfs_directory_entry.h" |
31 | | #include "libfshfs_file_entry.h" |
32 | | #include "libfshfs_fork_descriptor.h" |
33 | | #include "libfshfs_io_handle.h" |
34 | | #include "libfshfs_libcdata.h" |
35 | | #include "libfshfs_libcerror.h" |
36 | | #include "libfshfs_libcnotify.h" |
37 | | #include "libfshfs_libcthreads.h" |
38 | | #include "libfshfs_master_directory_block.h" |
39 | | #include "libfshfs_thread_record.h" |
40 | | #include "libfshfs_volume.h" |
41 | | #include "libfshfs_volume_header.h" |
42 | | |
43 | | /* Creates a volume |
44 | | * Make sure the value volume is referencing, is set to NULL |
45 | | * Returns 1 if successful or -1 on error |
46 | | */ |
47 | | int libfshfs_volume_initialize( |
48 | | libfshfs_volume_t **volume, |
49 | | libcerror_error_t **error ) |
50 | 5.31k | { |
51 | 5.31k | libfshfs_internal_volume_t *internal_volume = NULL; |
52 | 5.31k | static char *function = "libfshfs_volume_initialize"; |
53 | | |
54 | 5.31k | if( volume == NULL ) |
55 | 0 | { |
56 | 0 | libcerror_error_set( |
57 | 0 | error, |
58 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
59 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
60 | 0 | "%s: invalid volume.", |
61 | 0 | function ); |
62 | |
|
63 | 0 | return( -1 ); |
64 | 0 | } |
65 | 5.31k | if( *volume != NULL ) |
66 | 0 | { |
67 | 0 | libcerror_error_set( |
68 | 0 | error, |
69 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
70 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
71 | 0 | "%s: invalid volume value already set.", |
72 | 0 | function ); |
73 | |
|
74 | 0 | return( -1 ); |
75 | 0 | } |
76 | 5.31k | internal_volume = memory_allocate_structure( |
77 | 5.31k | libfshfs_internal_volume_t ); |
78 | | |
79 | 5.31k | if( internal_volume == NULL ) |
80 | 0 | { |
81 | 0 | libcerror_error_set( |
82 | 0 | error, |
83 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
84 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
85 | 0 | "%s: unable to create volume.", |
86 | 0 | function ); |
87 | |
|
88 | 0 | goto on_error; |
89 | 0 | } |
90 | 5.31k | if( memory_set( |
91 | 5.31k | internal_volume, |
92 | 5.31k | 0, |
93 | 5.31k | sizeof( libfshfs_internal_volume_t ) ) == NULL ) |
94 | 0 | { |
95 | 0 | libcerror_error_set( |
96 | 0 | error, |
97 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
98 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
99 | 0 | "%s: unable to clear volume.", |
100 | 0 | function ); |
101 | |
|
102 | 0 | goto on_error; |
103 | 0 | } |
104 | 5.31k | if( libfshfs_io_handle_initialize( |
105 | 5.31k | &( internal_volume->io_handle ), |
106 | 5.31k | error ) != 1 ) |
107 | 0 | { |
108 | 0 | libcerror_error_set( |
109 | 0 | error, |
110 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
111 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
112 | 0 | "%s: unable to create IO handle.", |
113 | 0 | function ); |
114 | |
|
115 | 0 | goto on_error; |
116 | 0 | } |
117 | 5.31k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
118 | 5.31k | if( libcthreads_read_write_lock_initialize( |
119 | 5.31k | &( internal_volume->read_write_lock ), |
120 | 5.31k | error ) != 1 ) |
121 | 0 | { |
122 | 0 | libcerror_error_set( |
123 | 0 | error, |
124 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
125 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
126 | 0 | "%s: unable to initialize read/write lock.", |
127 | 0 | function ); |
128 | |
|
129 | 0 | goto on_error; |
130 | 0 | } |
131 | 5.31k | #endif |
132 | 5.31k | *volume = (libfshfs_volume_t *) internal_volume; |
133 | | |
134 | 5.31k | return( 1 ); |
135 | | |
136 | 0 | on_error: |
137 | 0 | if( internal_volume != NULL ) |
138 | 0 | { |
139 | 0 | memory_free( |
140 | 0 | internal_volume ); |
141 | 0 | } |
142 | 0 | return( -1 ); |
143 | 5.31k | } |
144 | | |
145 | | /* Frees a volume |
146 | | * Returns 1 if successful or -1 on error |
147 | | */ |
148 | | int libfshfs_volume_free( |
149 | | libfshfs_volume_t **volume, |
150 | | libcerror_error_t **error ) |
151 | 5.31k | { |
152 | 5.31k | libfshfs_internal_volume_t *internal_volume = NULL; |
153 | 5.31k | static char *function = "libfshfs_volume_free"; |
154 | 5.31k | int result = 1; |
155 | | |
156 | 5.31k | if( volume == NULL ) |
157 | 0 | { |
158 | 0 | libcerror_error_set( |
159 | 0 | error, |
160 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
161 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
162 | 0 | "%s: invalid volume.", |
163 | 0 | function ); |
164 | |
|
165 | 0 | return( -1 ); |
166 | 0 | } |
167 | 5.31k | if( *volume != NULL ) |
168 | 5.31k | { |
169 | 5.31k | internal_volume = (libfshfs_internal_volume_t *) *volume; |
170 | | |
171 | 5.31k | if( internal_volume->file_io_handle != NULL ) |
172 | 0 | { |
173 | 0 | if( libfshfs_volume_close( |
174 | 0 | *volume, |
175 | 0 | error ) != 0 ) |
176 | 0 | { |
177 | 0 | libcerror_error_set( |
178 | 0 | error, |
179 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
180 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
181 | 0 | "%s: unable to close volume.", |
182 | 0 | function ); |
183 | |
|
184 | 0 | result = -1; |
185 | 0 | } |
186 | 0 | } |
187 | 5.31k | *volume = NULL; |
188 | | |
189 | 5.31k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
190 | 5.31k | if( libcthreads_read_write_lock_free( |
191 | 5.31k | &( internal_volume->read_write_lock ), |
192 | 5.31k | error ) != 1 ) |
193 | 0 | { |
194 | 0 | libcerror_error_set( |
195 | 0 | error, |
196 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
197 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
198 | 0 | "%s: unable to free read/write lock.", |
199 | 0 | function ); |
200 | |
|
201 | 0 | result = -1; |
202 | 0 | } |
203 | 5.31k | #endif |
204 | 5.31k | if( libfshfs_io_handle_free( |
205 | 5.31k | &( internal_volume->io_handle ), |
206 | 5.31k | error ) != 1 ) |
207 | 0 | { |
208 | 0 | libcerror_error_set( |
209 | 0 | error, |
210 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
211 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
212 | 0 | "%s: unable to free IO handle.", |
213 | 0 | function ); |
214 | |
|
215 | 0 | result = -1; |
216 | 0 | } |
217 | 5.31k | memory_free( |
218 | 5.31k | internal_volume ); |
219 | 5.31k | } |
220 | 5.31k | return( result ); |
221 | 5.31k | } |
222 | | |
223 | | /* Signals the volume to abort its current activity |
224 | | * Returns 1 if successful or -1 on error |
225 | | */ |
226 | | int libfshfs_volume_signal_abort( |
227 | | libfshfs_volume_t *volume, |
228 | | libcerror_error_t **error ) |
229 | 0 | { |
230 | 0 | libfshfs_internal_volume_t *internal_volume = NULL; |
231 | 0 | static char *function = "libfshfs_volume_signal_abort"; |
232 | |
|
233 | 0 | if( volume == NULL ) |
234 | 0 | { |
235 | 0 | libcerror_error_set( |
236 | 0 | error, |
237 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
238 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
239 | 0 | "%s: invalid volume.", |
240 | 0 | function ); |
241 | |
|
242 | 0 | return( -1 ); |
243 | 0 | } |
244 | 0 | internal_volume = (libfshfs_internal_volume_t *) volume; |
245 | |
|
246 | 0 | if( internal_volume->io_handle == NULL ) |
247 | 0 | { |
248 | 0 | libcerror_error_set( |
249 | 0 | error, |
250 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
251 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
252 | 0 | "%s: invalid volume - missing IO handle.", |
253 | 0 | function ); |
254 | |
|
255 | 0 | return( -1 ); |
256 | 0 | } |
257 | 0 | internal_volume->io_handle->abort = 1; |
258 | |
|
259 | 0 | return( 1 ); |
260 | 0 | } |
261 | | |
262 | | /* Opens a volume |
263 | | * Returns 1 if successful or -1 on error |
264 | | */ |
265 | | int libfshfs_volume_open( |
266 | | libfshfs_volume_t *volume, |
267 | | const char *filename, |
268 | | int access_flags, |
269 | | libcerror_error_t **error ) |
270 | 0 | { |
271 | 0 | libbfio_handle_t *file_io_handle = NULL; |
272 | 0 | libfshfs_internal_volume_t *internal_volume = NULL; |
273 | 0 | static char *function = "libfshfs_volume_open"; |
274 | 0 | size_t string_length = 0; |
275 | |
|
276 | 0 | if( volume == NULL ) |
277 | 0 | { |
278 | 0 | libcerror_error_set( |
279 | 0 | error, |
280 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
281 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
282 | 0 | "%s: invalid volume.", |
283 | 0 | function ); |
284 | |
|
285 | 0 | return( -1 ); |
286 | 0 | } |
287 | 0 | internal_volume = (libfshfs_internal_volume_t *) volume; |
288 | |
|
289 | 0 | if( filename == NULL ) |
290 | 0 | { |
291 | 0 | libcerror_error_set( |
292 | 0 | error, |
293 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
294 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
295 | 0 | "%s: invalid filename.", |
296 | 0 | function ); |
297 | |
|
298 | 0 | return( -1 ); |
299 | 0 | } |
300 | 0 | if( ( ( access_flags & LIBFSHFS_ACCESS_FLAG_READ ) == 0 ) |
301 | 0 | && ( ( access_flags & LIBFSHFS_ACCESS_FLAG_WRITE ) == 0 ) ) |
302 | 0 | { |
303 | 0 | libcerror_error_set( |
304 | 0 | error, |
305 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
306 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
307 | 0 | "%s: unsupported access flags.", |
308 | 0 | function ); |
309 | |
|
310 | 0 | return( -1 ); |
311 | 0 | } |
312 | 0 | if( ( access_flags & LIBFSHFS_ACCESS_FLAG_WRITE ) != 0 ) |
313 | 0 | { |
314 | 0 | libcerror_error_set( |
315 | 0 | error, |
316 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
317 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
318 | 0 | "%s: write access currently not supported.", |
319 | 0 | function ); |
320 | |
|
321 | 0 | return( -1 ); |
322 | 0 | } |
323 | 0 | if( libbfio_file_initialize( |
324 | 0 | &file_io_handle, |
325 | 0 | error ) != 1 ) |
326 | 0 | { |
327 | 0 | libcerror_error_set( |
328 | 0 | error, |
329 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
330 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
331 | 0 | "%s: unable to create file IO handle.", |
332 | 0 | function ); |
333 | |
|
334 | 0 | goto on_error; |
335 | 0 | } |
336 | | #if defined( HAVE_DEBUG_OUTPUT ) |
337 | | if( libbfio_handle_set_track_offsets_read( |
338 | | file_io_handle, |
339 | | 1, |
340 | | error ) != 1 ) |
341 | | { |
342 | | libcerror_error_set( |
343 | | error, |
344 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
345 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
346 | | "%s: unable to set track offsets read in file IO handle.", |
347 | | function ); |
348 | | |
349 | | goto on_error; |
350 | | } |
351 | | #endif |
352 | 0 | string_length = narrow_string_length( |
353 | 0 | filename ); |
354 | |
|
355 | 0 | if( libbfio_file_set_name( |
356 | 0 | file_io_handle, |
357 | 0 | filename, |
358 | 0 | string_length + 1, |
359 | 0 | error ) != 1 ) |
360 | 0 | { |
361 | 0 | libcerror_error_set( |
362 | 0 | error, |
363 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
364 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
365 | 0 | "%s: unable to set filename in file IO handle.", |
366 | 0 | function ); |
367 | |
|
368 | 0 | goto on_error; |
369 | 0 | } |
370 | 0 | if( libfshfs_volume_open_file_io_handle( |
371 | 0 | volume, |
372 | 0 | file_io_handle, |
373 | 0 | access_flags, |
374 | 0 | error ) != 1 ) |
375 | 0 | { |
376 | 0 | libcerror_error_set( |
377 | 0 | error, |
378 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
379 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
380 | 0 | "%s: unable to open volume: %s.", |
381 | 0 | function, |
382 | 0 | filename ); |
383 | |
|
384 | 0 | goto on_error; |
385 | 0 | } |
386 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
387 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
388 | 0 | internal_volume->read_write_lock, |
389 | 0 | error ) != 1 ) |
390 | 0 | { |
391 | 0 | libcerror_error_set( |
392 | 0 | error, |
393 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
394 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
395 | 0 | "%s: unable to grab read/write lock for writing.", |
396 | 0 | function ); |
397 | |
|
398 | 0 | return( -1 ); |
399 | 0 | } |
400 | 0 | #endif |
401 | 0 | internal_volume->file_io_handle_created_in_library = 1; |
402 | |
|
403 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
404 | 0 | if( libcthreads_read_write_lock_release_for_write( |
405 | 0 | internal_volume->read_write_lock, |
406 | 0 | error ) != 1 ) |
407 | 0 | { |
408 | 0 | libcerror_error_set( |
409 | 0 | error, |
410 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
411 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
412 | 0 | "%s: unable to release read/write lock for writing.", |
413 | 0 | function ); |
414 | |
|
415 | 0 | return( -1 ); |
416 | 0 | } |
417 | 0 | #endif |
418 | 0 | return( 1 ); |
419 | | |
420 | 0 | on_error: |
421 | 0 | if( file_io_handle != NULL ) |
422 | 0 | { |
423 | 0 | libbfio_handle_free( |
424 | 0 | &file_io_handle, |
425 | 0 | NULL ); |
426 | 0 | } |
427 | 0 | return( -1 ); |
428 | 0 | } |
429 | | |
430 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
431 | | |
432 | | /* Opens a volume |
433 | | * Returns 1 if successful or -1 on error |
434 | | */ |
435 | | int libfshfs_volume_open_wide( |
436 | | libfshfs_volume_t *volume, |
437 | | const wchar_t *filename, |
438 | | int access_flags, |
439 | | libcerror_error_t **error ) |
440 | | { |
441 | | libbfio_handle_t *file_io_handle = NULL; |
442 | | libfshfs_internal_volume_t *internal_volume = NULL; |
443 | | static char *function = "libfshfs_volume_open_wide"; |
444 | | size_t string_length = 0; |
445 | | |
446 | | if( volume == NULL ) |
447 | | { |
448 | | libcerror_error_set( |
449 | | error, |
450 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
451 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
452 | | "%s: invalid volume.", |
453 | | function ); |
454 | | |
455 | | return( -1 ); |
456 | | } |
457 | | internal_volume = (libfshfs_internal_volume_t *) volume; |
458 | | |
459 | | if( filename == NULL ) |
460 | | { |
461 | | libcerror_error_set( |
462 | | error, |
463 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
464 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
465 | | "%s: invalid filename.", |
466 | | function ); |
467 | | |
468 | | return( -1 ); |
469 | | } |
470 | | if( ( ( access_flags & LIBFSHFS_ACCESS_FLAG_READ ) == 0 ) |
471 | | && ( ( access_flags & LIBFSHFS_ACCESS_FLAG_WRITE ) == 0 ) ) |
472 | | { |
473 | | libcerror_error_set( |
474 | | error, |
475 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
476 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
477 | | "%s: unsupported access flags.", |
478 | | function ); |
479 | | |
480 | | return( -1 ); |
481 | | } |
482 | | if( ( access_flags & LIBFSHFS_ACCESS_FLAG_WRITE ) != 0 ) |
483 | | { |
484 | | libcerror_error_set( |
485 | | error, |
486 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
487 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
488 | | "%s: write access currently not supported.", |
489 | | function ); |
490 | | |
491 | | return( -1 ); |
492 | | } |
493 | | if( libbfio_file_initialize( |
494 | | &file_io_handle, |
495 | | error ) != 1 ) |
496 | | { |
497 | | libcerror_error_set( |
498 | | error, |
499 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
500 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
501 | | "%s: unable to create file IO handle.", |
502 | | function ); |
503 | | |
504 | | goto on_error; |
505 | | } |
506 | | #if defined( HAVE_DEBUG_OUTPUT ) |
507 | | if( libbfio_handle_set_track_offsets_read( |
508 | | file_io_handle, |
509 | | 1, |
510 | | error ) != 1 ) |
511 | | { |
512 | | libcerror_error_set( |
513 | | error, |
514 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
515 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
516 | | "%s: unable to set track offsets read in file IO handle.", |
517 | | function ); |
518 | | |
519 | | goto on_error; |
520 | | } |
521 | | #endif |
522 | | string_length = wide_string_length( |
523 | | filename ); |
524 | | |
525 | | if( libbfio_file_set_name_wide( |
526 | | file_io_handle, |
527 | | filename, |
528 | | string_length + 1, |
529 | | error ) != 1 ) |
530 | | { |
531 | | libcerror_error_set( |
532 | | error, |
533 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
534 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
535 | | "%s: unable to set filename in file IO handle.", |
536 | | function ); |
537 | | |
538 | | goto on_error; |
539 | | } |
540 | | if( libfshfs_volume_open_file_io_handle( |
541 | | volume, |
542 | | file_io_handle, |
543 | | access_flags, |
544 | | error ) != 1 ) |
545 | | { |
546 | | libcerror_error_set( |
547 | | error, |
548 | | LIBCERROR_ERROR_DOMAIN_IO, |
549 | | LIBCERROR_IO_ERROR_OPEN_FAILED, |
550 | | "%s: unable to open volume: %ls.", |
551 | | function, |
552 | | filename ); |
553 | | |
554 | | goto on_error; |
555 | | } |
556 | | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
557 | | if( libcthreads_read_write_lock_grab_for_write( |
558 | | internal_volume->read_write_lock, |
559 | | error ) != 1 ) |
560 | | { |
561 | | libcerror_error_set( |
562 | | error, |
563 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
564 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
565 | | "%s: unable to grab read/write lock for writing.", |
566 | | function ); |
567 | | |
568 | | return( -1 ); |
569 | | } |
570 | | #endif |
571 | | internal_volume->file_io_handle_created_in_library = 1; |
572 | | |
573 | | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
574 | | if( libcthreads_read_write_lock_release_for_write( |
575 | | internal_volume->read_write_lock, |
576 | | error ) != 1 ) |
577 | | { |
578 | | libcerror_error_set( |
579 | | error, |
580 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
581 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
582 | | "%s: unable to release read/write lock for writing.", |
583 | | function ); |
584 | | |
585 | | return( -1 ); |
586 | | } |
587 | | #endif |
588 | | return( 1 ); |
589 | | |
590 | | on_error: |
591 | | if( file_io_handle != NULL ) |
592 | | { |
593 | | libbfio_handle_free( |
594 | | &file_io_handle, |
595 | | NULL ); |
596 | | } |
597 | | return( -1 ); |
598 | | } |
599 | | |
600 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
601 | | |
602 | | /* Opens a volume using a Basic File IO (bfio) handle |
603 | | * Returns 1 if successful or -1 on error |
604 | | */ |
605 | | int libfshfs_volume_open_file_io_handle( |
606 | | libfshfs_volume_t *volume, |
607 | | libbfio_handle_t *file_io_handle, |
608 | | int access_flags, |
609 | | libcerror_error_t **error ) |
610 | 5.31k | { |
611 | 5.31k | libfshfs_internal_volume_t *internal_volume = NULL; |
612 | 5.31k | static char *function = "libfshfs_volume_open_file_io_handle"; |
613 | 5.31k | uint8_t file_io_handle_opened_in_library = 0; |
614 | 5.31k | int bfio_access_flags = 0; |
615 | 5.31k | int file_io_handle_is_open = 0; |
616 | | |
617 | 5.31k | if( volume == NULL ) |
618 | 0 | { |
619 | 0 | libcerror_error_set( |
620 | 0 | error, |
621 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
622 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
623 | 0 | "%s: invalid volume.", |
624 | 0 | function ); |
625 | |
|
626 | 0 | return( -1 ); |
627 | 0 | } |
628 | 5.31k | internal_volume = (libfshfs_internal_volume_t *) volume; |
629 | | |
630 | 5.31k | if( internal_volume->file_io_handle != NULL ) |
631 | 0 | { |
632 | 0 | libcerror_error_set( |
633 | 0 | error, |
634 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
635 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
636 | 0 | "%s: invalid volume - file IO handle already set.", |
637 | 0 | function ); |
638 | |
|
639 | 0 | return( -1 ); |
640 | 0 | } |
641 | 5.31k | if( file_io_handle == NULL ) |
642 | 0 | { |
643 | 0 | libcerror_error_set( |
644 | 0 | error, |
645 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
646 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
647 | 0 | "%s: invalid file IO handle.", |
648 | 0 | function ); |
649 | |
|
650 | 0 | return( -1 ); |
651 | 0 | } |
652 | 5.31k | if( ( ( access_flags & LIBFSHFS_ACCESS_FLAG_READ ) == 0 ) |
653 | 0 | && ( ( access_flags & LIBFSHFS_ACCESS_FLAG_WRITE ) == 0 ) ) |
654 | 0 | { |
655 | 0 | libcerror_error_set( |
656 | 0 | error, |
657 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
658 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
659 | 0 | "%s: unsupported access flags.", |
660 | 0 | function ); |
661 | |
|
662 | 0 | return( -1 ); |
663 | 0 | } |
664 | 5.31k | if( ( access_flags & LIBFSHFS_ACCESS_FLAG_WRITE ) != 0 ) |
665 | 0 | { |
666 | 0 | libcerror_error_set( |
667 | 0 | error, |
668 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
669 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
670 | 0 | "%s: write access currently not supported.", |
671 | 0 | function ); |
672 | |
|
673 | 0 | return( -1 ); |
674 | 0 | } |
675 | 5.31k | if( ( access_flags & LIBFSHFS_ACCESS_FLAG_READ ) != 0 ) |
676 | 5.31k | { |
677 | 5.31k | bfio_access_flags = LIBBFIO_ACCESS_FLAG_READ; |
678 | 5.31k | } |
679 | 5.31k | file_io_handle_is_open = libbfio_handle_is_open( |
680 | 5.31k | file_io_handle, |
681 | 5.31k | error ); |
682 | | |
683 | 5.31k | if( file_io_handle_is_open == -1 ) |
684 | 0 | { |
685 | 0 | libcerror_error_set( |
686 | 0 | error, |
687 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
688 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
689 | 0 | "%s: unable to open volume.", |
690 | 0 | function ); |
691 | |
|
692 | 0 | goto on_error; |
693 | 0 | } |
694 | 5.31k | else if( file_io_handle_is_open == 0 ) |
695 | 5.31k | { |
696 | 5.31k | if( libbfio_handle_open( |
697 | 5.31k | file_io_handle, |
698 | 5.31k | bfio_access_flags, |
699 | 5.31k | error ) != 1 ) |
700 | 0 | { |
701 | 0 | libcerror_error_set( |
702 | 0 | error, |
703 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
704 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
705 | 0 | "%s: unable to open file IO handle.", |
706 | 0 | function ); |
707 | |
|
708 | 0 | goto on_error; |
709 | 0 | } |
710 | 5.31k | file_io_handle_opened_in_library = 1; |
711 | 5.31k | } |
712 | 5.31k | if( libfshfs_internal_volume_open_read( |
713 | 5.31k | internal_volume, |
714 | 5.31k | file_io_handle, |
715 | 5.31k | 1024, |
716 | 5.31k | error ) != 1 ) |
717 | 2.60k | { |
718 | 2.60k | libcerror_error_set( |
719 | 2.60k | error, |
720 | 2.60k | LIBCERROR_ERROR_DOMAIN_IO, |
721 | 2.60k | LIBCERROR_IO_ERROR_READ_FAILED, |
722 | 2.60k | "%s: unable to read from file IO handle.", |
723 | 2.60k | function ); |
724 | | |
725 | 2.60k | goto on_error; |
726 | 2.60k | } |
727 | 2.71k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
728 | 2.71k | if( libcthreads_read_write_lock_grab_for_write( |
729 | 2.71k | internal_volume->read_write_lock, |
730 | 2.71k | error ) != 1 ) |
731 | 0 | { |
732 | 0 | libcerror_error_set( |
733 | 0 | error, |
734 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
735 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
736 | 0 | "%s: unable to grab read/write lock for writing.", |
737 | 0 | function ); |
738 | |
|
739 | 0 | return( -1 ); |
740 | 0 | } |
741 | 2.71k | #endif |
742 | 2.71k | internal_volume->file_io_handle = file_io_handle; |
743 | 2.71k | internal_volume->file_io_handle_opened_in_library = file_io_handle_opened_in_library; |
744 | | |
745 | 2.71k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
746 | 2.71k | if( libcthreads_read_write_lock_release_for_write( |
747 | 2.71k | internal_volume->read_write_lock, |
748 | 2.71k | error ) != 1 ) |
749 | 0 | { |
750 | 0 | libcerror_error_set( |
751 | 0 | error, |
752 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
753 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
754 | 0 | "%s: unable to release read/write lock for writing.", |
755 | 0 | function ); |
756 | |
|
757 | 0 | return( -1 ); |
758 | 0 | } |
759 | 2.71k | #endif |
760 | 2.71k | return( 1 ); |
761 | | |
762 | 2.60k | on_error: |
763 | 2.60k | if( file_io_handle_opened_in_library != 0 ) |
764 | 2.60k | { |
765 | 2.60k | libbfio_handle_close( |
766 | 2.60k | file_io_handle, |
767 | 2.60k | error ); |
768 | 2.60k | } |
769 | 2.60k | return( -1 ); |
770 | 2.71k | } |
771 | | |
772 | | /* Closes a volume |
773 | | * Returns 0 if successful or -1 on error |
774 | | */ |
775 | | int libfshfs_volume_close( |
776 | | libfshfs_volume_t *volume, |
777 | | libcerror_error_t **error ) |
778 | 2.71k | { |
779 | 2.71k | libfshfs_internal_volume_t *internal_volume = NULL; |
780 | 2.71k | static char *function = "libfshfs_volume_close"; |
781 | 2.71k | int result = 0; |
782 | | |
783 | 2.71k | if( volume == NULL ) |
784 | 0 | { |
785 | 0 | libcerror_error_set( |
786 | 0 | error, |
787 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
788 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
789 | 0 | "%s: invalid volume.", |
790 | 0 | function ); |
791 | |
|
792 | 0 | return( -1 ); |
793 | 0 | } |
794 | 2.71k | internal_volume = (libfshfs_internal_volume_t *) volume; |
795 | | |
796 | 2.71k | if( internal_volume->file_io_handle == NULL ) |
797 | 0 | { |
798 | 0 | libcerror_error_set( |
799 | 0 | error, |
800 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
801 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
802 | 0 | "%s: invalid volume - missing file IO handle.", |
803 | 0 | function ); |
804 | |
|
805 | 0 | return( -1 ); |
806 | 0 | } |
807 | 2.71k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
808 | 2.71k | if( libcthreads_read_write_lock_grab_for_write( |
809 | 2.71k | internal_volume->read_write_lock, |
810 | 2.71k | error ) != 1 ) |
811 | 0 | { |
812 | 0 | libcerror_error_set( |
813 | 0 | error, |
814 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
815 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
816 | 0 | "%s: unable to grab read/write lock for writing.", |
817 | 0 | function ); |
818 | |
|
819 | 0 | return( -1 ); |
820 | 0 | } |
821 | 2.71k | #endif |
822 | | #if defined( HAVE_DEBUG_OUTPUT ) |
823 | | if( libcnotify_verbose != 0 ) |
824 | | { |
825 | | if( internal_volume->file_io_handle_created_in_library != 0 ) |
826 | | { |
827 | | if( libfshfs_debug_print_read_offsets( |
828 | | internal_volume->file_io_handle, |
829 | | error ) != 1 ) |
830 | | { |
831 | | libcerror_error_set( |
832 | | error, |
833 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
834 | | LIBCERROR_RUNTIME_ERROR_PRINT_FAILED, |
835 | | "%s: unable to print the read offsets.", |
836 | | function ); |
837 | | |
838 | | result = -1; |
839 | | } |
840 | | } |
841 | | } |
842 | | #endif |
843 | 2.71k | if( internal_volume->file_io_handle_opened_in_library != 0 ) |
844 | 2.71k | { |
845 | 2.71k | if( libbfio_handle_close( |
846 | 2.71k | internal_volume->file_io_handle, |
847 | 2.71k | error ) != 0 ) |
848 | 0 | { |
849 | 0 | libcerror_error_set( |
850 | 0 | error, |
851 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
852 | 0 | LIBCERROR_IO_ERROR_CLOSE_FAILED, |
853 | 0 | "%s: unable to close file IO handle.", |
854 | 0 | function ); |
855 | |
|
856 | 0 | result = -1; |
857 | 0 | } |
858 | 2.71k | internal_volume->file_io_handle_opened_in_library = 0; |
859 | 2.71k | } |
860 | 2.71k | if( internal_volume->file_io_handle_created_in_library != 0 ) |
861 | 0 | { |
862 | 0 | if( libbfio_handle_free( |
863 | 0 | &( internal_volume->file_io_handle ), |
864 | 0 | error ) != 1 ) |
865 | 0 | { |
866 | 0 | libcerror_error_set( |
867 | 0 | error, |
868 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
869 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
870 | 0 | "%s: unable to free file IO handle.", |
871 | 0 | function ); |
872 | |
|
873 | 0 | result = -1; |
874 | 0 | } |
875 | 0 | internal_volume->file_io_handle_created_in_library = 0; |
876 | 0 | } |
877 | 2.71k | internal_volume->file_io_handle = NULL; |
878 | | |
879 | 2.71k | if( libfshfs_io_handle_clear( |
880 | 2.71k | internal_volume->io_handle, |
881 | 2.71k | error ) != 1 ) |
882 | 0 | { |
883 | 0 | libcerror_error_set( |
884 | 0 | error, |
885 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
886 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
887 | 0 | "%s: unable to clear IO handle.", |
888 | 0 | function ); |
889 | |
|
890 | 0 | result = -1; |
891 | 0 | } |
892 | 2.71k | if( internal_volume->volume_header != NULL ) |
893 | 2.71k | { |
894 | 2.71k | if( libfshfs_volume_header_free( |
895 | 2.71k | &( internal_volume->volume_header ), |
896 | 2.71k | error ) != 1 ) |
897 | 0 | { |
898 | 0 | libcerror_error_set( |
899 | 0 | error, |
900 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
901 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
902 | 0 | "%s: unable to free volume header.", |
903 | 0 | function ); |
904 | |
|
905 | 0 | result = -1; |
906 | 0 | } |
907 | 2.71k | } |
908 | 2.71k | if( internal_volume->master_directory_block != NULL ) |
909 | 0 | { |
910 | 0 | if( libfshfs_master_directory_block_free( |
911 | 0 | &( internal_volume->master_directory_block ), |
912 | 0 | error ) != 1 ) |
913 | 0 | { |
914 | 0 | libcerror_error_set( |
915 | 0 | error, |
916 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
917 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
918 | 0 | "%s: unable to free master directory block.", |
919 | 0 | function ); |
920 | |
|
921 | 0 | result = -1; |
922 | 0 | } |
923 | 0 | } |
924 | 2.71k | if( internal_volume->file_system != NULL ) |
925 | 2.71k | { |
926 | 2.71k | if( libfshfs_file_system_free( |
927 | 2.71k | &( internal_volume->file_system ), |
928 | 2.71k | error ) != 1 ) |
929 | 0 | { |
930 | 0 | libcerror_error_set( |
931 | 0 | error, |
932 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
933 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
934 | 0 | "%s: unable to free file system.", |
935 | 0 | function ); |
936 | |
|
937 | 0 | result = -1; |
938 | 0 | } |
939 | 2.71k | } |
940 | 2.71k | if( internal_volume->root_directory_entry != NULL ) |
941 | 1.72k | { |
942 | 1.72k | if( libfshfs_directory_entry_free( |
943 | 1.72k | &( internal_volume->root_directory_entry ), |
944 | 1.72k | error ) != 1 ) |
945 | 0 | { |
946 | 0 | libcerror_error_set( |
947 | 0 | error, |
948 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
949 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
950 | 0 | "%s: unable to free root directory entry.", |
951 | 0 | function ); |
952 | |
|
953 | 0 | result = -1; |
954 | 0 | } |
955 | 1.72k | } |
956 | 2.71k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
957 | 2.71k | if( libcthreads_read_write_lock_release_for_write( |
958 | 2.71k | internal_volume->read_write_lock, |
959 | 2.71k | error ) != 1 ) |
960 | 0 | { |
961 | 0 | libcerror_error_set( |
962 | 0 | error, |
963 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
964 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
965 | 0 | "%s: unable to release read/write lock for writing.", |
966 | 0 | function ); |
967 | |
|
968 | 0 | return( -1 ); |
969 | 0 | } |
970 | 2.71k | #endif |
971 | 2.71k | return( result ); |
972 | 2.71k | } |
973 | | |
974 | | /* Opens a volume for reading |
975 | | * Returns 1 if successful or -1 on error |
976 | | */ |
977 | | int libfshfs_internal_volume_open_read( |
978 | | libfshfs_internal_volume_t *internal_volume, |
979 | | libbfio_handle_t *file_io_handle, |
980 | | off64_t file_offset, |
981 | | libcerror_error_t **error ) |
982 | 5.31k | { |
983 | 5.31k | uint8_t signature[ 2 ]; |
984 | | |
985 | 5.31k | libfshfs_fork_descriptor_t *attributes_file_fork_descriptor = NULL; |
986 | 5.31k | libfshfs_fork_descriptor_t *catalog_file_fork_descriptor = NULL; |
987 | 5.31k | libfshfs_fork_descriptor_t *extents_file_fork_descriptor = NULL; |
988 | 5.31k | static char *function = "libfshfs_internal_volume_open_read"; |
989 | 5.31k | ssize_t read_count = 0; |
990 | 5.31k | uint8_t use_case_folding = 0; |
991 | 5.31k | int result = 0; |
992 | | |
993 | 5.31k | if( internal_volume == NULL ) |
994 | 0 | { |
995 | 0 | libcerror_error_set( |
996 | 0 | error, |
997 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
998 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
999 | 0 | "%s: invalid volume.", |
1000 | 0 | function ); |
1001 | |
|
1002 | 0 | return( -1 ); |
1003 | 0 | } |
1004 | 5.31k | if( internal_volume->io_handle == NULL ) |
1005 | 0 | { |
1006 | 0 | libcerror_error_set( |
1007 | 0 | error, |
1008 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1009 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1010 | 0 | "%s: invalid volume - missing IO handle.", |
1011 | 0 | function ); |
1012 | |
|
1013 | 0 | return( -1 ); |
1014 | 0 | } |
1015 | 5.31k | if( internal_volume->volume_header != NULL ) |
1016 | 0 | { |
1017 | 0 | libcerror_error_set( |
1018 | 0 | error, |
1019 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1020 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1021 | 0 | "%s: invalid volume - volume header value already set.", |
1022 | 0 | function ); |
1023 | |
|
1024 | 0 | return( -1 ); |
1025 | 0 | } |
1026 | 5.31k | if( internal_volume->master_directory_block != NULL ) |
1027 | 0 | { |
1028 | 0 | libcerror_error_set( |
1029 | 0 | error, |
1030 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1031 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1032 | 0 | "%s: invalid volume - master directory block value already set.", |
1033 | 0 | function ); |
1034 | |
|
1035 | 0 | return( -1 ); |
1036 | 0 | } |
1037 | 5.31k | if( internal_volume->file_system != NULL ) |
1038 | 0 | { |
1039 | 0 | libcerror_error_set( |
1040 | 0 | error, |
1041 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1042 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1043 | 0 | "%s: invalid volume - file system value already set.", |
1044 | 0 | function ); |
1045 | |
|
1046 | 0 | return( -1 ); |
1047 | 0 | } |
1048 | 5.31k | if( internal_volume->root_directory_entry != NULL ) |
1049 | 0 | { |
1050 | 0 | libcerror_error_set( |
1051 | 0 | error, |
1052 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1053 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1054 | 0 | "%s: invalid volume - root directory entry value already set.", |
1055 | 0 | function ); |
1056 | |
|
1057 | 0 | return( -1 ); |
1058 | 0 | } |
1059 | 5.31k | read_count = libbfio_handle_read_buffer_at_offset( |
1060 | 5.31k | file_io_handle, |
1061 | 5.31k | signature, |
1062 | 5.31k | 2, |
1063 | 5.31k | file_offset, |
1064 | 5.31k | error ); |
1065 | | |
1066 | 5.31k | if( read_count != 2 ) |
1067 | 60 | { |
1068 | 60 | libcerror_error_set( |
1069 | 60 | error, |
1070 | 60 | LIBCERROR_ERROR_DOMAIN_IO, |
1071 | 60 | LIBCERROR_IO_ERROR_READ_FAILED, |
1072 | 60 | "%s: unable to read signature at offset: %" PRIi64 " (0x%08" PRIx64 ").", |
1073 | 60 | function, |
1074 | 60 | file_offset, |
1075 | 60 | file_offset ); |
1076 | | |
1077 | 60 | goto on_error; |
1078 | 60 | } |
1079 | 5.25k | if( memory_compare( |
1080 | 5.25k | "BD", |
1081 | 5.25k | signature, |
1082 | 5.25k | 2 ) == 0 ) |
1083 | 176 | { |
1084 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1085 | | if( libcnotify_verbose != 0 ) |
1086 | | { |
1087 | | libcnotify_printf( |
1088 | | "Reading master directory block:\n" ); |
1089 | | } |
1090 | | #endif |
1091 | 176 | if( libfshfs_master_directory_block_initialize( |
1092 | 176 | &( internal_volume->master_directory_block ), |
1093 | 176 | error ) != 1 ) |
1094 | 0 | { |
1095 | 0 | libcerror_error_set( |
1096 | 0 | error, |
1097 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1098 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1099 | 0 | "%s: unable to create master directory block.", |
1100 | 0 | function ); |
1101 | |
|
1102 | 0 | goto on_error; |
1103 | 0 | } |
1104 | 176 | if( libfshfs_master_directory_block_read_file_io_handle( |
1105 | 176 | internal_volume->master_directory_block, |
1106 | 176 | file_io_handle, |
1107 | 176 | file_offset, |
1108 | 176 | error ) != 1 ) |
1109 | 173 | { |
1110 | 173 | libcerror_error_set( |
1111 | 173 | error, |
1112 | 173 | LIBCERROR_ERROR_DOMAIN_IO, |
1113 | 173 | LIBCERROR_IO_ERROR_READ_FAILED, |
1114 | 173 | "%s: unable to read master directory block at offset: %" PRIi64 " (0x%08" PRIx64 ").", |
1115 | 173 | function, |
1116 | 173 | file_offset, |
1117 | 173 | file_offset ); |
1118 | | |
1119 | 173 | goto on_error; |
1120 | 173 | } |
1121 | 3 | internal_volume->io_handle->file_system_type = LIBFSHFS_FILE_SYSTEM_TYPE_HFS; |
1122 | 3 | internal_volume->io_handle->block_size = 512; |
1123 | | |
1124 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1125 | | use_case_folding = 1; |
1126 | | |
1127 | | extents_file_fork_descriptor = internal_volume->master_directory_block->extents_file_fork_descriptor; |
1128 | | catalog_file_fork_descriptor = internal_volume->master_directory_block->catalog_file_fork_descriptor; |
1129 | | #endif |
1130 | | |
1131 | | /* TODO impement classic HFS support */ |
1132 | 3 | libcerror_error_set( |
1133 | 3 | error, |
1134 | 3 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1135 | 3 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
1136 | 3 | "%s: classic HFS not supported.", |
1137 | 3 | function ); |
1138 | | |
1139 | 3 | goto on_error; |
1140 | 176 | } |
1141 | 5.08k | else |
1142 | 5.08k | { |
1143 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1144 | | if( libcnotify_verbose != 0 ) |
1145 | | { |
1146 | | libcnotify_printf( |
1147 | | "Reading volume header:\n" ); |
1148 | | } |
1149 | | #endif |
1150 | 5.08k | if( libfshfs_volume_header_initialize( |
1151 | 5.08k | &( internal_volume->volume_header ), |
1152 | 5.08k | error ) != 1 ) |
1153 | 0 | { |
1154 | 0 | libcerror_error_set( |
1155 | 0 | error, |
1156 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1157 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1158 | 0 | "%s: unable to create volume header.", |
1159 | 0 | function ); |
1160 | |
|
1161 | 0 | goto on_error; |
1162 | 0 | } |
1163 | 5.08k | if( libfshfs_volume_header_read_file_io_handle( |
1164 | 5.08k | internal_volume->volume_header, |
1165 | 5.08k | file_io_handle, |
1166 | 5.08k | file_offset, |
1167 | 5.08k | error ) != 1 ) |
1168 | 302 | { |
1169 | 302 | libcerror_error_set( |
1170 | 302 | error, |
1171 | 302 | LIBCERROR_ERROR_DOMAIN_IO, |
1172 | 302 | LIBCERROR_IO_ERROR_READ_FAILED, |
1173 | 302 | "%s: unable to read volume header at offset: %" PRIi64 " (0x%08" PRIx64 ").", |
1174 | 302 | function, |
1175 | 302 | file_offset, |
1176 | 302 | file_offset ); |
1177 | | |
1178 | 302 | goto on_error; |
1179 | 302 | } |
1180 | 4.78k | internal_volume->io_handle->file_system_type = internal_volume->volume_header->file_system_type; |
1181 | 4.78k | internal_volume->io_handle->block_size = internal_volume->volume_header->allocation_block_size; |
1182 | | |
1183 | 4.78k | if( internal_volume->volume_header->file_system_type == LIBFSHFS_FILE_SYSTEM_TYPE_HFS_PLUS ) |
1184 | 3.91k | { |
1185 | 3.91k | use_case_folding = 1; |
1186 | 3.91k | } |
1187 | 4.78k | extents_file_fork_descriptor = internal_volume->volume_header->extents_file_fork_descriptor; |
1188 | 4.78k | catalog_file_fork_descriptor = internal_volume->volume_header->catalog_file_fork_descriptor; |
1189 | 4.78k | attributes_file_fork_descriptor = internal_volume->volume_header->attributes_file_fork_descriptor; |
1190 | 4.78k | } |
1191 | 4.78k | if( libfshfs_file_system_initialize( |
1192 | 4.78k | &( internal_volume->file_system ), |
1193 | 4.78k | use_case_folding, |
1194 | 4.78k | 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 file system.", |
1201 | 0 | function ); |
1202 | |
|
1203 | 0 | goto on_error; |
1204 | 0 | } |
1205 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1206 | | if( libcnotify_verbose != 0 ) |
1207 | | { |
1208 | | libcnotify_printf( |
1209 | | "Reading extents B-tree file:\n" ); |
1210 | | } |
1211 | | #endif |
1212 | 4.78k | if( libfshfs_file_system_read_extents_file( |
1213 | 4.78k | internal_volume->file_system, |
1214 | 4.78k | internal_volume->io_handle, |
1215 | 4.78k | file_io_handle, |
1216 | 4.78k | extents_file_fork_descriptor, |
1217 | 4.78k | error ) != 1 ) |
1218 | 182 | { |
1219 | 182 | libcerror_error_set( |
1220 | 182 | error, |
1221 | 182 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1222 | 182 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1223 | 182 | "%s: unable to read extents B-tree file.", |
1224 | 182 | function ); |
1225 | | |
1226 | 182 | goto on_error; |
1227 | 182 | } |
1228 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1229 | | if( libcnotify_verbose != 0 ) |
1230 | | { |
1231 | | libcnotify_printf( |
1232 | | "Reading catalog B-tree file:\n" ); |
1233 | | } |
1234 | | #endif |
1235 | 4.59k | if( libfshfs_file_system_read_catalog_file( |
1236 | 4.59k | internal_volume->file_system, |
1237 | 4.59k | internal_volume->io_handle, |
1238 | 4.59k | file_io_handle, |
1239 | 4.59k | catalog_file_fork_descriptor, |
1240 | 4.59k | error ) != 1 ) |
1241 | 750 | { |
1242 | 750 | libcerror_error_set( |
1243 | 750 | error, |
1244 | 750 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1245 | 750 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1246 | 750 | "%s: unable to read catalog B-tree file.", |
1247 | 750 | function ); |
1248 | | |
1249 | 750 | goto on_error; |
1250 | 750 | } |
1251 | 3.84k | if( attributes_file_fork_descriptor != NULL ) |
1252 | 3.84k | { |
1253 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1254 | | if( libcnotify_verbose != 0 ) |
1255 | | { |
1256 | | libcnotify_printf( |
1257 | | "Reading attributes B-tree file:\n" ); |
1258 | | } |
1259 | | #endif |
1260 | 3.84k | if( libfshfs_file_system_read_attributes_file( |
1261 | 3.84k | internal_volume->file_system, |
1262 | 3.84k | internal_volume->io_handle, |
1263 | 3.84k | file_io_handle, |
1264 | 3.84k | attributes_file_fork_descriptor, |
1265 | 3.84k | error ) != 1 ) |
1266 | 290 | { |
1267 | 290 | libcerror_error_set( |
1268 | 290 | error, |
1269 | 290 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1270 | 290 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1271 | 290 | "%s: unable to read attributes B-tree file.", |
1272 | 290 | function ); |
1273 | | |
1274 | 290 | goto on_error; |
1275 | 290 | } |
1276 | 3.84k | } |
1277 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1278 | | if( libcnotify_verbose != 0 ) |
1279 | | { |
1280 | | libcnotify_printf( |
1281 | | "Reading root directory entry:\n" ); |
1282 | | } |
1283 | | #endif |
1284 | 3.55k | result = libfshfs_file_system_get_directory_entry_by_identifier( |
1285 | 3.55k | internal_volume->file_system, |
1286 | 3.55k | internal_volume->io_handle, |
1287 | 3.55k | file_io_handle, |
1288 | 3.55k | LIBFSHFS_ROOT_DIRECTORY_IDENTIFIER, |
1289 | 3.55k | &( internal_volume->root_directory_entry ), |
1290 | 3.55k | error ); |
1291 | | |
1292 | 3.55k | if( result == -1 ) |
1293 | 843 | { |
1294 | 843 | libcerror_error_set( |
1295 | 843 | error, |
1296 | 843 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1297 | 843 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1298 | 843 | "%s: unable to retrieve root directory entry from catalog B-tree file.", |
1299 | 843 | function ); |
1300 | | |
1301 | 843 | goto on_error; |
1302 | 843 | } |
1303 | 2.71k | return( 1 ); |
1304 | | |
1305 | 2.60k | on_error: |
1306 | 2.60k | if( internal_volume->root_directory_entry != NULL ) |
1307 | 0 | { |
1308 | 0 | libfshfs_directory_entry_free( |
1309 | 0 | &( internal_volume->root_directory_entry ), |
1310 | 0 | NULL ); |
1311 | 0 | } |
1312 | 2.60k | if( internal_volume->file_system != NULL ) |
1313 | 2.06k | { |
1314 | 2.06k | libfshfs_file_system_free( |
1315 | 2.06k | &( internal_volume->file_system ), |
1316 | 2.06k | NULL ); |
1317 | 2.06k | } |
1318 | 2.60k | if( internal_volume->master_directory_block != NULL ) |
1319 | 176 | { |
1320 | 176 | libfshfs_master_directory_block_free( |
1321 | 176 | &( internal_volume->master_directory_block ), |
1322 | 176 | NULL ); |
1323 | 176 | } |
1324 | 2.60k | if( internal_volume->volume_header != NULL ) |
1325 | 2.36k | { |
1326 | 2.36k | libfshfs_volume_header_free( |
1327 | 2.36k | &( internal_volume->volume_header ), |
1328 | 2.36k | NULL ); |
1329 | 2.36k | } |
1330 | 2.60k | return( -1 ); |
1331 | 3.55k | } |
1332 | | |
1333 | | /* Retrieves the size of the UTF-8 encoded name |
1334 | | * The returned size includes the end of string character |
1335 | | * Returns 1 if successful or -1 on error |
1336 | | */ |
1337 | | int libfshfs_volume_get_utf8_name_size( |
1338 | | libfshfs_volume_t *volume, |
1339 | | size_t *utf8_string_size, |
1340 | | libcerror_error_t **error ) |
1341 | 357 | { |
1342 | 357 | libfshfs_internal_volume_t *internal_volume = NULL; |
1343 | 357 | static char *function = "libfshfs_volume_get_utf8_name_size"; |
1344 | 357 | int result = 1; |
1345 | | |
1346 | 357 | if( volume == NULL ) |
1347 | 0 | { |
1348 | 0 | libcerror_error_set( |
1349 | 0 | error, |
1350 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1351 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1352 | 0 | "%s: invalid volume.", |
1353 | 0 | function ); |
1354 | |
|
1355 | 0 | return( -1 ); |
1356 | 0 | } |
1357 | 357 | internal_volume = (libfshfs_internal_volume_t *) volume; |
1358 | | |
1359 | 357 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1360 | 357 | if( libcthreads_read_write_lock_grab_for_read( |
1361 | 357 | internal_volume->read_write_lock, |
1362 | 357 | error ) != 1 ) |
1363 | 0 | { |
1364 | 0 | libcerror_error_set( |
1365 | 0 | error, |
1366 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1367 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1368 | 0 | "%s: unable to grab read/write lock for reading.", |
1369 | 0 | function ); |
1370 | |
|
1371 | 0 | return( -1 ); |
1372 | 0 | } |
1373 | 357 | #endif |
1374 | 357 | if( internal_volume->root_directory_entry != NULL ) |
1375 | 204 | { |
1376 | 204 | result = libfshfs_directory_entry_get_utf8_name_size( |
1377 | 204 | internal_volume->root_directory_entry, |
1378 | 204 | utf8_string_size, |
1379 | 204 | error ); |
1380 | 204 | } |
1381 | 153 | else |
1382 | 153 | { |
1383 | 153 | result = libfshfs_master_directory_block_get_utf8_volume_label_size( |
1384 | 153 | internal_volume->master_directory_block, |
1385 | 153 | utf8_string_size, |
1386 | 153 | error ); |
1387 | 153 | } |
1388 | 357 | if( result != 1 ) |
1389 | 153 | { |
1390 | 153 | libcerror_error_set( |
1391 | 153 | error, |
1392 | 153 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1393 | 153 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1394 | 153 | "%s: unable to retrieve UTF-8 string size.", |
1395 | 153 | function ); |
1396 | | |
1397 | 153 | result = -1; |
1398 | 153 | } |
1399 | 357 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1400 | 357 | if( libcthreads_read_write_lock_release_for_read( |
1401 | 357 | internal_volume->read_write_lock, |
1402 | 357 | error ) != 1 ) |
1403 | 0 | { |
1404 | 0 | libcerror_error_set( |
1405 | 0 | error, |
1406 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1407 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1408 | 0 | "%s: unable to release read/write lock for reading.", |
1409 | 0 | function ); |
1410 | |
|
1411 | 0 | return( -1 ); |
1412 | 0 | } |
1413 | 357 | #endif |
1414 | 357 | return( result ); |
1415 | 357 | } |
1416 | | |
1417 | | /* Retrieves the UTF-8 encoded name |
1418 | | * The size should include the end of string character |
1419 | | * Returns 1 if successful or -1 on error |
1420 | | */ |
1421 | | int libfshfs_volume_get_utf8_name( |
1422 | | libfshfs_volume_t *volume, |
1423 | | uint8_t *utf8_string, |
1424 | | size_t utf8_string_size, |
1425 | | libcerror_error_t **error ) |
1426 | 357 | { |
1427 | 357 | libfshfs_internal_volume_t *internal_volume = NULL; |
1428 | 357 | static char *function = "libfshfs_volume_get_utf8_name"; |
1429 | 357 | int result = 1; |
1430 | | |
1431 | 357 | if( volume == NULL ) |
1432 | 0 | { |
1433 | 0 | libcerror_error_set( |
1434 | 0 | error, |
1435 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1436 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1437 | 0 | "%s: invalid volume.", |
1438 | 0 | function ); |
1439 | |
|
1440 | 0 | return( -1 ); |
1441 | 0 | } |
1442 | 357 | internal_volume = (libfshfs_internal_volume_t *) volume; |
1443 | | |
1444 | 357 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1445 | 357 | if( libcthreads_read_write_lock_grab_for_read( |
1446 | 357 | internal_volume->read_write_lock, |
1447 | 357 | error ) != 1 ) |
1448 | 0 | { |
1449 | 0 | libcerror_error_set( |
1450 | 0 | error, |
1451 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1452 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1453 | 0 | "%s: unable to grab read/write lock for reading.", |
1454 | 0 | function ); |
1455 | |
|
1456 | 0 | return( -1 ); |
1457 | 0 | } |
1458 | 357 | #endif |
1459 | 357 | if( internal_volume->root_directory_entry != NULL ) |
1460 | 204 | { |
1461 | 204 | result = libfshfs_directory_entry_get_utf8_name( |
1462 | 204 | internal_volume->root_directory_entry, |
1463 | 204 | utf8_string, |
1464 | 204 | utf8_string_size, |
1465 | 204 | error ); |
1466 | 204 | } |
1467 | 153 | else |
1468 | 153 | { |
1469 | 153 | result = libfshfs_master_directory_block_get_utf8_volume_label( |
1470 | 153 | internal_volume->master_directory_block, |
1471 | 153 | utf8_string, |
1472 | 153 | utf8_string_size, |
1473 | 153 | error ); |
1474 | 153 | } |
1475 | 357 | if( result != 1 ) |
1476 | 334 | { |
1477 | 334 | libcerror_error_set( |
1478 | 334 | error, |
1479 | 334 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1480 | 334 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1481 | 334 | "%s: unable to retrieve UTF-8 string.", |
1482 | 334 | function ); |
1483 | | |
1484 | 334 | result = -1; |
1485 | 334 | } |
1486 | 357 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1487 | 357 | if( libcthreads_read_write_lock_release_for_read( |
1488 | 357 | internal_volume->read_write_lock, |
1489 | 357 | error ) != 1 ) |
1490 | 0 | { |
1491 | 0 | libcerror_error_set( |
1492 | 0 | error, |
1493 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1494 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1495 | 0 | "%s: unable to release read/write lock for reading.", |
1496 | 0 | function ); |
1497 | |
|
1498 | 0 | return( -1 ); |
1499 | 0 | } |
1500 | 357 | #endif |
1501 | 357 | return( result ); |
1502 | 357 | } |
1503 | | |
1504 | | /* Retrieves the size of the UTF-16 encoded name |
1505 | | * The returned size includes the end of string character |
1506 | | * Returns 1 if successful or -1 on error |
1507 | | */ |
1508 | | int libfshfs_volume_get_utf16_name_size( |
1509 | | libfshfs_volume_t *volume, |
1510 | | size_t *utf16_string_size, |
1511 | | libcerror_error_t **error ) |
1512 | 0 | { |
1513 | 0 | libfshfs_internal_volume_t *internal_volume = NULL; |
1514 | 0 | static char *function = "libfshfs_volume_get_utf16_name_size"; |
1515 | 0 | int result = 1; |
1516 | |
|
1517 | 0 | if( volume == NULL ) |
1518 | 0 | { |
1519 | 0 | libcerror_error_set( |
1520 | 0 | error, |
1521 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1522 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1523 | 0 | "%s: invalid volume.", |
1524 | 0 | function ); |
1525 | |
|
1526 | 0 | return( -1 ); |
1527 | 0 | } |
1528 | 0 | internal_volume = (libfshfs_internal_volume_t *) volume; |
1529 | |
|
1530 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1531 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
1532 | 0 | internal_volume->read_write_lock, |
1533 | 0 | error ) != 1 ) |
1534 | 0 | { |
1535 | 0 | libcerror_error_set( |
1536 | 0 | error, |
1537 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1538 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1539 | 0 | "%s: unable to grab read/write lock for reading.", |
1540 | 0 | function ); |
1541 | |
|
1542 | 0 | return( -1 ); |
1543 | 0 | } |
1544 | 0 | #endif |
1545 | 0 | if( internal_volume->root_directory_entry != NULL ) |
1546 | 0 | { |
1547 | 0 | result = libfshfs_directory_entry_get_utf16_name_size( |
1548 | 0 | internal_volume->root_directory_entry, |
1549 | 0 | utf16_string_size, |
1550 | 0 | error ); |
1551 | 0 | } |
1552 | 0 | else |
1553 | 0 | { |
1554 | 0 | result = libfshfs_master_directory_block_get_utf16_volume_label_size( |
1555 | 0 | internal_volume->master_directory_block, |
1556 | 0 | utf16_string_size, |
1557 | 0 | error ); |
1558 | 0 | } |
1559 | 0 | if( result != 1 ) |
1560 | 0 | { |
1561 | 0 | libcerror_error_set( |
1562 | 0 | error, |
1563 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1564 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1565 | 0 | "%s: unable to retrieve UTF-16 string size.", |
1566 | 0 | function ); |
1567 | |
|
1568 | 0 | result = -1; |
1569 | 0 | } |
1570 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1571 | 0 | if( libcthreads_read_write_lock_release_for_read( |
1572 | 0 | internal_volume->read_write_lock, |
1573 | 0 | error ) != 1 ) |
1574 | 0 | { |
1575 | 0 | libcerror_error_set( |
1576 | 0 | error, |
1577 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1578 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1579 | 0 | "%s: unable to release read/write lock for reading.", |
1580 | 0 | function ); |
1581 | |
|
1582 | 0 | return( -1 ); |
1583 | 0 | } |
1584 | 0 | #endif |
1585 | 0 | return( result ); |
1586 | 0 | } |
1587 | | |
1588 | | /* Retrieves the UTF-16 encoded name |
1589 | | * The size should include the end of string character |
1590 | | * Returns 1 if successful or -1 on error |
1591 | | */ |
1592 | | int libfshfs_volume_get_utf16_name( |
1593 | | libfshfs_volume_t *volume, |
1594 | | uint16_t *utf16_string, |
1595 | | size_t utf16_string_size, |
1596 | | libcerror_error_t **error ) |
1597 | 0 | { |
1598 | 0 | libfshfs_internal_volume_t *internal_volume = NULL; |
1599 | 0 | static char *function = "libfshfs_volume_get_utf16_name"; |
1600 | 0 | int result = 1; |
1601 | |
|
1602 | 0 | if( volume == NULL ) |
1603 | 0 | { |
1604 | 0 | libcerror_error_set( |
1605 | 0 | error, |
1606 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1607 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1608 | 0 | "%s: invalid volume.", |
1609 | 0 | function ); |
1610 | |
|
1611 | 0 | return( -1 ); |
1612 | 0 | } |
1613 | 0 | internal_volume = (libfshfs_internal_volume_t *) volume; |
1614 | |
|
1615 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1616 | 0 | if( libcthreads_read_write_lock_grab_for_read( |
1617 | 0 | internal_volume->read_write_lock, |
1618 | 0 | error ) != 1 ) |
1619 | 0 | { |
1620 | 0 | libcerror_error_set( |
1621 | 0 | error, |
1622 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1623 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1624 | 0 | "%s: unable to grab read/write lock for reading.", |
1625 | 0 | function ); |
1626 | |
|
1627 | 0 | return( -1 ); |
1628 | 0 | } |
1629 | 0 | #endif |
1630 | 0 | if( internal_volume->root_directory_entry != NULL ) |
1631 | 0 | { |
1632 | 0 | result = libfshfs_directory_entry_get_utf16_name( |
1633 | 0 | internal_volume->root_directory_entry, |
1634 | 0 | utf16_string, |
1635 | 0 | utf16_string_size, |
1636 | 0 | error ); |
1637 | 0 | } |
1638 | 0 | else |
1639 | 0 | { |
1640 | 0 | result = libfshfs_master_directory_block_get_utf16_volume_label( |
1641 | 0 | internal_volume->master_directory_block, |
1642 | 0 | utf16_string, |
1643 | 0 | utf16_string_size, |
1644 | 0 | error ); |
1645 | 0 | } |
1646 | 0 | if( result != 1 ) |
1647 | 0 | { |
1648 | 0 | libcerror_error_set( |
1649 | 0 | error, |
1650 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1651 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1652 | 0 | "%s: unable to retrieve UTF-16 string.", |
1653 | 0 | function ); |
1654 | |
|
1655 | 0 | result = -1; |
1656 | 0 | } |
1657 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1658 | 0 | if( libcthreads_read_write_lock_release_for_read( |
1659 | 0 | internal_volume->read_write_lock, |
1660 | 0 | error ) != 1 ) |
1661 | 0 | { |
1662 | 0 | libcerror_error_set( |
1663 | 0 | error, |
1664 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1665 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1666 | 0 | "%s: unable to release read/write lock for reading.", |
1667 | 0 | function ); |
1668 | |
|
1669 | 0 | return( -1 ); |
1670 | 0 | } |
1671 | 0 | #endif |
1672 | 0 | return( result ); |
1673 | 0 | } |
1674 | | |
1675 | | /* Retrieves the root directory file entry |
1676 | | * Returns 1 if successful or -1 on error |
1677 | | */ |
1678 | | int libfshfs_volume_get_root_directory( |
1679 | | libfshfs_volume_t *volume, |
1680 | | libfshfs_file_entry_t **file_entry, |
1681 | | libcerror_error_t **error ) |
1682 | 1.46k | { |
1683 | 1.46k | libfshfs_directory_entry_t *safe_directory_entry = NULL; |
1684 | 1.46k | libfshfs_internal_volume_t *internal_volume = NULL; |
1685 | 1.46k | static char *function = "libfshfs_volume_get_root_directory"; |
1686 | 1.46k | int result = 1; |
1687 | | |
1688 | 1.46k | if( volume == NULL ) |
1689 | 0 | { |
1690 | 0 | libcerror_error_set( |
1691 | 0 | error, |
1692 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1693 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1694 | 0 | "%s: invalid volume.", |
1695 | 0 | function ); |
1696 | |
|
1697 | 0 | return( -1 ); |
1698 | 0 | } |
1699 | 1.46k | internal_volume = (libfshfs_internal_volume_t *) volume; |
1700 | | |
1701 | 1.46k | if( file_entry == NULL ) |
1702 | 0 | { |
1703 | 0 | libcerror_error_set( |
1704 | 0 | error, |
1705 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1706 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1707 | 0 | "%s: invalid file entry.", |
1708 | 0 | function ); |
1709 | |
|
1710 | 0 | return( -1 ); |
1711 | 0 | } |
1712 | 1.46k | if( *file_entry != NULL ) |
1713 | 0 | { |
1714 | 0 | libcerror_error_set( |
1715 | 0 | error, |
1716 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1717 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1718 | 0 | "%s: invalid file entry value already set.", |
1719 | 0 | function ); |
1720 | |
|
1721 | 0 | return( -1 ); |
1722 | 0 | } |
1723 | 1.46k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1724 | 1.46k | if( libcthreads_read_write_lock_grab_for_read( |
1725 | 1.46k | internal_volume->read_write_lock, |
1726 | 1.46k | error ) != 1 ) |
1727 | 0 | { |
1728 | 0 | libcerror_error_set( |
1729 | 0 | error, |
1730 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1731 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1732 | 0 | "%s: unable to grab read/write lock for reading.", |
1733 | 0 | function ); |
1734 | |
|
1735 | 0 | return( -1 ); |
1736 | 0 | } |
1737 | 1.46k | #endif |
1738 | 1.46k | if( libfshfs_directory_entry_clone( |
1739 | 1.46k | &safe_directory_entry, |
1740 | 1.46k | internal_volume->root_directory_entry, |
1741 | 1.46k | error ) != 1 ) |
1742 | 0 | { |
1743 | 0 | libcerror_error_set( |
1744 | 0 | error, |
1745 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1746 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1747 | 0 | "%s: unable to clone root directory entry.", |
1748 | 0 | function ); |
1749 | |
|
1750 | 0 | result = -1; |
1751 | 0 | } |
1752 | 1.46k | else |
1753 | 1.46k | { |
1754 | | /* libfshfs_file_entry_initialize takes over management of directory_entry |
1755 | | */ |
1756 | 1.46k | if( libfshfs_file_entry_initialize( |
1757 | 1.46k | file_entry, |
1758 | 1.46k | internal_volume->io_handle, |
1759 | 1.46k | internal_volume->file_io_handle, |
1760 | 1.46k | internal_volume->file_system, |
1761 | 1.46k | safe_directory_entry, |
1762 | 1.46k | error ) != 1 ) |
1763 | 160 | { |
1764 | 160 | libcerror_error_set( |
1765 | 160 | error, |
1766 | 160 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1767 | 160 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1768 | 160 | "%s: unable to create file entry.", |
1769 | 160 | function ); |
1770 | | |
1771 | 160 | libfshfs_directory_entry_free( |
1772 | 160 | &safe_directory_entry, |
1773 | 160 | NULL ); |
1774 | | |
1775 | 160 | result = -1; |
1776 | 160 | } |
1777 | 1.46k | } |
1778 | 1.46k | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1779 | 1.46k | if( libcthreads_read_write_lock_release_for_read( |
1780 | 1.46k | internal_volume->read_write_lock, |
1781 | 1.46k | error ) != 1 ) |
1782 | 0 | { |
1783 | 0 | libcerror_error_set( |
1784 | 0 | error, |
1785 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1786 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1787 | 0 | "%s: unable to release read/write lock for reading.", |
1788 | 0 | function ); |
1789 | |
|
1790 | 0 | return( -1 ); |
1791 | 0 | } |
1792 | 1.46k | #endif |
1793 | 1.46k | return( result ); |
1794 | 1.46k | } |
1795 | | |
1796 | | /* Retrieves the file entry for a specific identifier (or catalog node identifier (CNID)) |
1797 | | * Returns 1 if successful, 0 if not available or -1 on error |
1798 | | */ |
1799 | | int libfshfs_volume_get_file_entry_by_identifier( |
1800 | | libfshfs_volume_t *volume, |
1801 | | uint32_t identifier, |
1802 | | libfshfs_file_entry_t **file_entry, |
1803 | | libcerror_error_t **error ) |
1804 | 0 | { |
1805 | 0 | libfshfs_directory_entry_t *directory_entry = NULL; |
1806 | 0 | libfshfs_internal_volume_t *internal_volume = NULL; |
1807 | 0 | static char *function = "libfshfs_volume_get_file_entry_by_identifier"; |
1808 | 0 | int result = 0; |
1809 | |
|
1810 | 0 | if( volume == NULL ) |
1811 | 0 | { |
1812 | 0 | libcerror_error_set( |
1813 | 0 | error, |
1814 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1815 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1816 | 0 | "%s: invalid volume.", |
1817 | 0 | function ); |
1818 | |
|
1819 | 0 | return( -1 ); |
1820 | 0 | } |
1821 | 0 | internal_volume = (libfshfs_internal_volume_t *) volume; |
1822 | |
|
1823 | 0 | if( file_entry == NULL ) |
1824 | 0 | { |
1825 | 0 | libcerror_error_set( |
1826 | 0 | error, |
1827 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1828 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1829 | 0 | "%s: invalid file entry.", |
1830 | 0 | function ); |
1831 | |
|
1832 | 0 | return( -1 ); |
1833 | 0 | } |
1834 | 0 | if( *file_entry != NULL ) |
1835 | 0 | { |
1836 | 0 | libcerror_error_set( |
1837 | 0 | error, |
1838 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1839 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1840 | 0 | "%s: invalid file entry value already set.", |
1841 | 0 | function ); |
1842 | |
|
1843 | 0 | return( -1 ); |
1844 | 0 | } |
1845 | | #if defined( HAVE_LIBFSAPFS_MULTI_THREAD_SUPPORT ) |
1846 | | if( libcthreads_read_write_lock_grab_for_write( |
1847 | | internal_volume->read_write_lock, |
1848 | | error ) != 1 ) |
1849 | | { |
1850 | | libcerror_error_set( |
1851 | | error, |
1852 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1853 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1854 | | "%s: unable to grab read/write lock for writing.", |
1855 | | function ); |
1856 | | |
1857 | | return( -1 ); |
1858 | | } |
1859 | | #endif |
1860 | 0 | result = libfshfs_file_system_get_directory_entry_by_identifier( |
1861 | 0 | internal_volume->file_system, |
1862 | 0 | internal_volume->io_handle, |
1863 | 0 | internal_volume->file_io_handle, |
1864 | 0 | identifier, |
1865 | 0 | &directory_entry, |
1866 | 0 | error ); |
1867 | |
|
1868 | 0 | if( result == -1 ) |
1869 | 0 | { |
1870 | 0 | libcerror_error_set( |
1871 | 0 | error, |
1872 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1873 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1874 | 0 | "%s: unable to retrieve directory entry: %" PRIu32 ".", |
1875 | 0 | function, |
1876 | 0 | identifier ); |
1877 | |
|
1878 | 0 | result = -1; |
1879 | 0 | } |
1880 | 0 | else if( result != 0 ) |
1881 | 0 | { |
1882 | | /* libfshfs_file_entry_initialize takes over management of directory_entry |
1883 | | */ |
1884 | 0 | if( libfshfs_file_entry_initialize( |
1885 | 0 | file_entry, |
1886 | 0 | internal_volume->io_handle, |
1887 | 0 | internal_volume->file_io_handle, |
1888 | 0 | internal_volume->file_system, |
1889 | 0 | directory_entry, |
1890 | 0 | error ) != 1 ) |
1891 | 0 | { |
1892 | 0 | libcerror_error_set( |
1893 | 0 | error, |
1894 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1895 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1896 | 0 | "%s: unable to create file entry.", |
1897 | 0 | function ); |
1898 | |
|
1899 | 0 | libfshfs_directory_entry_free( |
1900 | 0 | &directory_entry, |
1901 | 0 | NULL ); |
1902 | |
|
1903 | 0 | result = -1; |
1904 | 0 | } |
1905 | 0 | } |
1906 | | #if defined( HAVE_LIBFSAPFS_MULTI_THREAD_SUPPORT ) |
1907 | | if( libcthreads_read_write_lock_release_for_write( |
1908 | | internal_volume->read_write_lock, |
1909 | | error ) != 1 ) |
1910 | | { |
1911 | | libcerror_error_set( |
1912 | | error, |
1913 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1914 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1915 | | "%s: unable to release read/write lock for writing.", |
1916 | | function ); |
1917 | | |
1918 | | return( -1 ); |
1919 | | } |
1920 | | #endif |
1921 | 0 | return( result ); |
1922 | 0 | } |
1923 | | |
1924 | | /* Retrieves the file entry for an UTF-8 encoded path |
1925 | | * Returns 1 if successful, 0 if no such file entry or -1 on error |
1926 | | */ |
1927 | | int libfshfs_volume_get_file_entry_by_utf8_path( |
1928 | | libfshfs_volume_t *volume, |
1929 | | const uint8_t *utf8_string, |
1930 | | size_t utf8_string_length, |
1931 | | libfshfs_file_entry_t **file_entry, |
1932 | | libcerror_error_t **error ) |
1933 | 894 | { |
1934 | 894 | libfshfs_directory_entry_t *directory_entry = NULL; |
1935 | 894 | libfshfs_internal_volume_t *internal_volume = NULL; |
1936 | 894 | static char *function = "libfshfs_volume_get_file_entry_by_utf8_path"; |
1937 | 894 | int result = 0; |
1938 | | |
1939 | 894 | if( volume == NULL ) |
1940 | 0 | { |
1941 | 0 | libcerror_error_set( |
1942 | 0 | error, |
1943 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1944 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1945 | 0 | "%s: invalid volume.", |
1946 | 0 | function ); |
1947 | |
|
1948 | 0 | return( -1 ); |
1949 | 0 | } |
1950 | 894 | internal_volume = (libfshfs_internal_volume_t *) volume; |
1951 | | |
1952 | 894 | if( file_entry == NULL ) |
1953 | 0 | { |
1954 | 0 | libcerror_error_set( |
1955 | 0 | error, |
1956 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1957 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1958 | 0 | "%s: invalid file entry.", |
1959 | 0 | function ); |
1960 | |
|
1961 | 0 | return( -1 ); |
1962 | 0 | } |
1963 | 894 | if( *file_entry != NULL ) |
1964 | 0 | { |
1965 | 0 | libcerror_error_set( |
1966 | 0 | error, |
1967 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1968 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1969 | 0 | "%s: invalid file entry value already set.", |
1970 | 0 | function ); |
1971 | |
|
1972 | 0 | return( -1 ); |
1973 | 0 | } |
1974 | 894 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
1975 | 894 | if( libcthreads_read_write_lock_grab_for_write( |
1976 | 894 | internal_volume->read_write_lock, |
1977 | 894 | error ) != 1 ) |
1978 | 0 | { |
1979 | 0 | libcerror_error_set( |
1980 | 0 | error, |
1981 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1982 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1983 | 0 | "%s: unable to grab read/write lock for writing.", |
1984 | 0 | function ); |
1985 | |
|
1986 | 0 | return( -1 ); |
1987 | 0 | } |
1988 | 894 | #endif |
1989 | 894 | result = libfshfs_file_system_get_directory_entry_by_utf8_path( |
1990 | 894 | internal_volume->file_system, |
1991 | 894 | internal_volume->io_handle, |
1992 | 894 | internal_volume->file_io_handle, |
1993 | 894 | utf8_string, |
1994 | 894 | utf8_string_length, |
1995 | 894 | &directory_entry, |
1996 | 894 | error ); |
1997 | | |
1998 | 894 | if( result == -1 ) |
1999 | 250 | { |
2000 | 250 | libcerror_error_set( |
2001 | 250 | error, |
2002 | 250 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2003 | 250 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2004 | 250 | "%s: unable to retrieve directory entry.", |
2005 | 250 | function ); |
2006 | | |
2007 | 250 | result = -1; |
2008 | 250 | } |
2009 | 644 | else if( result != 0 ) |
2010 | 258 | { |
2011 | | /* libfshfs_file_entry_initialize takes over management of directory_entry |
2012 | | */ |
2013 | 258 | if( libfshfs_file_entry_initialize( |
2014 | 258 | file_entry, |
2015 | 258 | internal_volume->io_handle, |
2016 | 258 | internal_volume->file_io_handle, |
2017 | 258 | internal_volume->file_system, |
2018 | 258 | directory_entry, |
2019 | 258 | error ) != 1 ) |
2020 | 0 | { |
2021 | 0 | libcerror_error_set( |
2022 | 0 | error, |
2023 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2024 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2025 | 0 | "%s: unable to create file entry.", |
2026 | 0 | function ); |
2027 | |
|
2028 | 0 | libfshfs_directory_entry_free( |
2029 | 0 | &directory_entry, |
2030 | 0 | NULL ); |
2031 | |
|
2032 | 0 | result = -1; |
2033 | 0 | } |
2034 | 258 | } |
2035 | 894 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
2036 | 894 | if( libcthreads_read_write_lock_release_for_write( |
2037 | 894 | internal_volume->read_write_lock, |
2038 | 894 | error ) != 1 ) |
2039 | 0 | { |
2040 | 0 | libcerror_error_set( |
2041 | 0 | error, |
2042 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2043 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2044 | 0 | "%s: unable to release read/write lock for writing.", |
2045 | 0 | function ); |
2046 | |
|
2047 | 0 | libfshfs_file_entry_free( |
2048 | 0 | file_entry, |
2049 | 0 | NULL ); |
2050 | |
|
2051 | 0 | return( -1 ); |
2052 | 0 | } |
2053 | 894 | #endif |
2054 | 894 | return( result ); |
2055 | 894 | } |
2056 | | |
2057 | | /* Retrieves the file entry for an UTF-16 encoded path |
2058 | | * Returns 1 if successful, 0 if no such file entry or -1 on error |
2059 | | */ |
2060 | | int libfshfs_volume_get_file_entry_by_utf16_path( |
2061 | | libfshfs_volume_t *volume, |
2062 | | const uint16_t *utf16_string, |
2063 | | size_t utf16_string_length, |
2064 | | libfshfs_file_entry_t **file_entry, |
2065 | | libcerror_error_t **error ) |
2066 | 0 | { |
2067 | 0 | libfshfs_directory_entry_t *directory_entry = NULL; |
2068 | 0 | libfshfs_internal_volume_t *internal_volume = NULL; |
2069 | 0 | static char *function = "libfshfs_volume_get_file_entry_by_utf16_path"; |
2070 | 0 | int result = 0; |
2071 | |
|
2072 | 0 | if( volume == NULL ) |
2073 | 0 | { |
2074 | 0 | libcerror_error_set( |
2075 | 0 | error, |
2076 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2077 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2078 | 0 | "%s: invalid volume.", |
2079 | 0 | function ); |
2080 | |
|
2081 | 0 | return( -1 ); |
2082 | 0 | } |
2083 | 0 | internal_volume = (libfshfs_internal_volume_t *) volume; |
2084 | |
|
2085 | 0 | if( file_entry == NULL ) |
2086 | 0 | { |
2087 | 0 | libcerror_error_set( |
2088 | 0 | error, |
2089 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2090 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2091 | 0 | "%s: invalid file entry.", |
2092 | 0 | function ); |
2093 | |
|
2094 | 0 | return( -1 ); |
2095 | 0 | } |
2096 | 0 | if( *file_entry != NULL ) |
2097 | 0 | { |
2098 | 0 | libcerror_error_set( |
2099 | 0 | error, |
2100 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2101 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2102 | 0 | "%s: invalid file entry value already set.", |
2103 | 0 | function ); |
2104 | |
|
2105 | 0 | return( -1 ); |
2106 | 0 | } |
2107 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
2108 | 0 | if( libcthreads_read_write_lock_grab_for_write( |
2109 | 0 | internal_volume->read_write_lock, |
2110 | 0 | error ) != 1 ) |
2111 | 0 | { |
2112 | 0 | libcerror_error_set( |
2113 | 0 | error, |
2114 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2115 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2116 | 0 | "%s: unable to grab read/write lock for writing.", |
2117 | 0 | function ); |
2118 | |
|
2119 | 0 | return( -1 ); |
2120 | 0 | } |
2121 | 0 | #endif |
2122 | 0 | result = libfshfs_file_system_get_directory_entry_by_utf16_path( |
2123 | 0 | internal_volume->file_system, |
2124 | 0 | internal_volume->io_handle, |
2125 | 0 | internal_volume->file_io_handle, |
2126 | 0 | utf16_string, |
2127 | 0 | utf16_string_length, |
2128 | 0 | &directory_entry, |
2129 | 0 | error ); |
2130 | |
|
2131 | 0 | if( result == -1 ) |
2132 | 0 | { |
2133 | 0 | libcerror_error_set( |
2134 | 0 | error, |
2135 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2136 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2137 | 0 | "%s: unable to retrieve directory entry.", |
2138 | 0 | function ); |
2139 | |
|
2140 | 0 | result = -1; |
2141 | 0 | } |
2142 | 0 | else if( result != 0 ) |
2143 | 0 | { |
2144 | | /* libfshfs_file_entry_initialize takes over management of directory_entry |
2145 | | */ |
2146 | 0 | if( libfshfs_file_entry_initialize( |
2147 | 0 | file_entry, |
2148 | 0 | internal_volume->io_handle, |
2149 | 0 | internal_volume->file_io_handle, |
2150 | 0 | internal_volume->file_system, |
2151 | 0 | directory_entry, |
2152 | 0 | error ) != 1 ) |
2153 | 0 | { |
2154 | 0 | libcerror_error_set( |
2155 | 0 | error, |
2156 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2157 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2158 | 0 | "%s: unable to create file entry.", |
2159 | 0 | function ); |
2160 | |
|
2161 | 0 | libfshfs_directory_entry_free( |
2162 | 0 | &directory_entry, |
2163 | 0 | NULL ); |
2164 | |
|
2165 | 0 | result = -1; |
2166 | 0 | } |
2167 | 0 | } |
2168 | 0 | #if defined( HAVE_LIBFSHFS_MULTI_THREAD_SUPPORT ) |
2169 | 0 | if( libcthreads_read_write_lock_release_for_write( |
2170 | 0 | internal_volume->read_write_lock, |
2171 | 0 | error ) != 1 ) |
2172 | 0 | { |
2173 | 0 | libcerror_error_set( |
2174 | 0 | error, |
2175 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2176 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2177 | 0 | "%s: unable to release read/write lock for writing.", |
2178 | 0 | function ); |
2179 | |
|
2180 | 0 | libfshfs_file_entry_free( |
2181 | 0 | file_entry, |
2182 | 0 | NULL ); |
2183 | |
|
2184 | 0 | return( -1 ); |
2185 | 0 | } |
2186 | 0 | #endif |
2187 | 0 | return( result ); |
2188 | 0 | } |
2189 | | |